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Safety Equipment and GearAlarm SystemsAll Home SecurityAll Tool SetsBathroom PlumbingBreakers, Distributors, and Load CentersBrinksCarbon Monoxide AlarmsCommercial LightingDimmers, Switches, and Wall PlatesDoor HardwareDoor Security HardwareDoorbellsElectrical ToolsEmergency SuppliesFire SafetyFirst AlertGarage Door Openers and HardwareGuttering & DrainageHand ToolsHome SafetyHome Safety by BrandKiddeLight BulbsLight TimersMechanics ToolsOutletsPersonal PreparednessPlumbing Tools & AccessoriesPower Tool AccessoriesPower ToolsPro ToolsSafety DetectorsSolderingStorm & Flood PrepSurveillanceTestersThermostatsTool Equipment & StorageUniversal Security InstrumentsValves & Valve RepairWater Heaters, Pumps & TanksWildfire PrepWoodworking Tools
Electric Detector(482)
Uses item details. Price when purchased online
SITERWELL Smoke Detector, 10 Year Battery,Photoelectric Sensor, Fire Alarm,Low Battery,12 Packs From $20.10
Sponsored
From$2010
SITERWELL Smoke Detector, 10 Year Battery,Photoelectric Sensor, Fire Alarm,Low Battery,12 Packs
1954.4 out of 5 Stars. 195 reviews
Deal SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack From $22.32
Sponsored
From$2232
SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack
164.8 out of 5 Stars. 16 reviews
Rely Essentials 6200 Plug-in Carbon Monoxide Detector, CO Alarm with Battery Backup and Digital Display, 1-Pack $31.99 Was $39.99
Sponsored
Now$3199
current price Now $31.99, Was $39.99$39.99
Rely Essentials 6200 Plug-in Carbon Monoxide Detector, CO Alarm with Battery Backup and Digital Display, 1-Pack
154.6 out of 5 Stars. 15 reviews
Flash Deal Fixdono Natural Gas Detector, Digital Sound Warning Gas Detector, Natural Gas Leak Security Detection Detector, Alarm Monitor Plug-in Sensor for Home Kitchen Restaurant Hotel School Warehouse $15.96 Was $31.99
Sponsored
Now$1596
current price Now $15.96, Was $31.99$31.99
Fixdono Natural Gas Detector, Digital Sound Warning Gas Detector, Natural Gas Leak Security Detection Detector, Alarm Monitor Plug-in Sensor for Home Kitchen Restaurant Hotel School Warehouse
2804.4 out of 5 Stars. 280 reviews
Best seller Hyper Tough Non-Contact Voltage Sensor TD35234J, New 0.75 in, 1.6 oz Assembled Product Weight, AC Range 70 - 1000 V $9.97
$997
current price $9.97Hyper Tough Non-Contact Voltage Sensor TD35234J, New 0.75 in, 1.6 oz Assembled Product Weight, AC Range 70 - 1000 V
3744.3 out of 5 Stars. 374 reviews
100+ bought since yesterday Hyper Tough 3-Sensor LED Electronic Stud Finder $9.88
$988
current price $9.88Hyper Tough 3-Sensor LED Electronic Stud Finder
624.4 out of 5 Stars. 62 reviews
50+ bought since yesterday Hyper Tough 7-Sensor LED Electronic Stud Finder $19.88
$1988
current price $19.88Hyper Tough 7-Sensor LED Electronic Stud Finder
334.8 out of 5 Stars. 33 reviews
ANENG VD802 Non-contact AC Voltage Detector Tester Meter 12V-1000v Pen Style Electric Indicator LED Outlet Wit Yellow
ANENG VD802 Non-contact AC Voltage Detector Tester Meter 12V-1000v Pen Style Electric Indicator LED Outlet Wit Yellow
173.8 out of 5 Stars. 17 reviews
Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder From $11.99
From$1199
Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder
45 out of 5 Stars. 4 reviews
Deal TESMEN TN-213 Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LED Indicator, Waterproof, Pocket-Sized $12.74 Was $19.99
Now$1274
current price Now $12.74, Was $19.99$19.99
TESMEN TN-213 Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LED Indicator, Waterproof, Pocket-Sized
574.6 out of 5 Stars. 57 reviews
Zuomeng High Water Alarm for Sump Pump, Flashing Light & 110 dB Alarm, IP67 Casing, Connects to Submersible Pump $75.99
Sponsored
$7599
current price $75.99Zuomeng High Water Alarm for Sump Pump, Flashing Light & 110 dB Alarm, IP67 Casing, Connects to Submersible Pump
Deal TESMEN TN-213 Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LED Indicator, Waterproof, Pocket-Sized $12.74 Was $19.99
Sponsored
Now$1274
current price Now $12.74, Was $19.99$19.99
TESMEN TN-213 Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LED Indicator, Waterproof, Pocket-Sized
574.6 out of 5 Stars. 57 reviews
2PCS Non-Contact Voltage Tester Pen - AC/DC 12-220V Detector - Current Sensor - Safe Volt Detector for Outlets/Wires/Circuits. (One character and cross head) From $9.90
3 options
Available in additional 3 optionsFrom$990
2PCS Non-Contact Voltage Tester Pen - AC/DC 12-220V Detector - Current Sensor - Safe Volt Detector for Outlets/Wires/Circuits. (One character and cross head)
43.3 out of 5 Stars. 4 reviews
Hyper Tough 9-Sensor LED Electronic Stud Finder with Live Wire Meter $29.88
$2988
current price $29.88Hyper Tough 9-Sensor LED Electronic Stud Finder with Live Wire Meter
174.8 out of 5 Stars. 17 reviews
100+ bought since yesterday Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included From $19.88
2 options
Available in additional 2 optionsFrom$1988
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included
8024.5 out of 5 Stars. 802 reviews
MILWAUKEE Voltage Detector With LED $32.01
$3201
current price $32.01MILWAUKEE Voltage Detector With LED
NFTIGB Non-Contact AC Voltage Tester Pen 12V-1000V Dual Mode Electric Detector $15.47
$1547
current price $15.47NFTIGB Non-Contact AC Voltage Tester Pen 12V-1000V Dual Mode Electric Detector
YAHHU 3-Piece Electric Pen Voltage Tester Set, AC 100-250V Circuit Detector Sensitivity Electrical Tools, Compact ABS+CRV Home Improvement Voltage Pens AN-G43, 4.8 inches / 12.2 cm $10.02
$1002
current price $10.02YAHHU 3-Piece Electric Pen Voltage Tester Set, AC 100-250V Circuit Detector Sensitivity Electrical Tools, Compact ABS+CRV Home Improvement Voltage Pens AN-G43, 4.8 inches / 12.2 cm
Hyper Tough 3-PC Electrical Tester Kit TD35236J with LCD Screen, 17.9 oz WT, 7.28" Width, New, 1 Ea $41.88
$4188
current price $41.88Hyper Tough 3-PC Electrical Tester Kit TD35236J with LCD Screen, 17.9 oz WT, 7.28" Width, New, 1 Ea
914.6 out of 5 Stars. 91 reviews
M Buder Non Contact Voltage Tester Sound Light Alarm 12 to 300V Voltage Detector with Flashlight for Electrician 7.09 inches / 18 cm[cite: 1] $13.28
![M Buder Non Contact Voltage Tester Sound Light Alarm 12 to 300V Voltage Detector with Flashlight for Electrician 7.09 inches / 18 cm[cite: 1]](https://i5.walmartimages.com/seo/M-Buder-Non-Contact-Voltage-Tester-Sound-Light-Alarm-12-to-300V-Voltage-Detector-with-Flashlight-for-Electrician-7-09-inches-18-cm-cite-1_fd163676-c3be-4b92-b050-72f49262285d.c7579bfc83d34058515bef73a91f359f.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$1328
current price $13.28M Buder Non Contact Voltage Tester Sound Light Alarm 12 to 300V Voltage Detector with Flashlight for Electrician 7.09 inches / 18 cm[cite: 1]
SANTRONICS INC 3115 Voltage Detector $17.45
Sponsored
$1745
current price $17.45SANTRONICS INC 3115 Voltage Detector
15 out of 5 Stars. 1 reviews
Room Alert 12S Proactive Environment Monitor – Built-in Temperature Sensor, Supports SSL/TLS, SNMP v3, App Alerts, Made in USA $779.00
Sponsored
$77900
current price $779.00Room Alert 12S Proactive Environment Monitor – Built-in Temperature Sensor, Supports SSL/TLS, SNMP v3, App Alerts, Made in USA
VEVOR Outlet Tester, Electrical GFCI Trip Tester, LCD Display Receptacle Detector for 7 Common Wiring Faults, 3 Prong Socket Detector with Auto Shutoff & Low Battery Indicator, CAT II 300V Rating $15.90
$1590
current price $15.90VEVOR Outlet Tester, Electrical GFCI Trip Tester, LCD Display Receptacle Detector for 7 Common Wiring Faults, 3 Prong Socket Detector with Auto Shutoff & Low Battery Indicator, CAT II 300V Rating
Non-Contact Voltage Detector with Flashlight Was $15.00
Non-Contact Voltage Detector with Flashlight
M Buder AC Voltage Tester, NCV Detector Pen with LCD Display, Flashlight, Buzzer Alarm for Electrical Wire, Outlet, Circuit, Breaker Testing (9.06 inches / 23 cm) $15.47
$1547
current price $15.47M Buder AC Voltage Tester, NCV Detector Pen with LCD Display, Flashlight, Buzzer Alarm for Electrical Wire, Outlet, Circuit, Breaker Testing (9.06 inches / 23 cm)
YAHHU Induction Electric Pen Digital Display Non-Contact Line Detection Tester Tool TA881A 12-1000V AC Voltage Detector Home Circuit Electrician Tool 6.69 inches / 17.00 cm $11.98
$1198
current price $11.98YAHHU Induction Electric Pen Digital Display Non-Contact Line Detection Tester Tool TA881A 12-1000V AC Voltage Detector Home Circuit Electrician Tool 6.69 inches / 17.00 cm
YAHHU VC1017 Digital Display Electric Test Pen AC Voltage Detector Non-Contact Tester with LED Flashlight Sound Light Alarm (7.48 inches / 19.00 cm)[cite: 1] $12.06
![YAHHU VC1017 Digital Display Electric Test Pen AC Voltage Detector Non-Contact Tester with LED Flashlight Sound Light Alarm (7.48 inches / 19.00 cm)[cite: 1]](https://i5.walmartimages.com/seo/YAHHU-VC1017-Digital-Display-Electric-Test-Pen-AC-Voltage-Detector-Non-Contact-Tester-LED-Flashlight-Sound-Light-Alarm-7-48-inches-19-00-cm-cite-1_947b2b9f-c16b-44bb-a3d3-0165fa25a72d.3ed18a4323edfee31afa766f311656e8.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$1206
current price $12.06YAHHU VC1017 Digital Display Electric Test Pen AC Voltage Detector Non-Contact Tester with LED Flashlight Sound Light Alarm (7.48 inches / 19.00 cm)[cite: 1]
Rupoun Watt Meter Power Analyzer 200A Battery Consumption Performance Detector with Backlight LCD Screen RC Solar Voltage Current Electric Power Tester $20.17
$2017
current price $20.17Rupoun Watt Meter Power Analyzer 200A Battery Consumption Performance Detector with Backlight LCD Screen RC Solar Voltage Current Electric Power Tester
BOKYAN Professional High Brightness Tri-Color Electrical Tester Pen with Buzzer Alarm, Null Fire & On-Off Detection Voltage Tester (70-250V, 6.7 inches / 17.0 cm) $12.40
$1240
current price $12.40BOKYAN Professional High Brightness Tri-Color Electrical Tester Pen with Buzzer Alarm, Null Fire & On-Off Detection Voltage Tester (70-250V, 6.7 inches / 17.0 cm)
Milwaukee 2202-20 Voltage Detector with LED Light $32.01
$3201
current price $32.01Milwaukee 2202-20 Voltage Detector with LED Light
15 out of 5 Stars. 1 reviews
FOUR E's Scientific Sump Alarm, High Water Alarm for Sump Pump & Septic Water, Weatherproof 110dB Audible Alarm with Float Switch for Indoor Use $42.99
Sponsored
$4299
current price $42.99FOUR E's Scientific Sump Alarm, High Water Alarm for Sump Pump & Septic Water, Weatherproof 110dB Audible Alarm with Float Switch for Indoor Use
2PCS Non-Contact Voltage Tester Pen - AC/DC 12-220V Detector - Current Sensor - Safe Volt Detector for Outlets/Wires/Circuits. (One character and cross head) From $9.90
Sponsored
From$990
2PCS Non-Contact Voltage Tester Pen - AC/DC 12-220V Detector - Current Sensor - Safe Volt Detector for Outlets/Wires/Circuits. (One character and cross head)
43.3 out of 5 Stars. 4 reviews
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack From $36.88
2 options
Available in additional 2 optionsFrom$3688
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack
2754.6 out of 5 Stars. 275 reviews
M Buder Mini USB Voltage Current Monitor Tester Capacity Detector LCD Display 4V-30V 0-3A, Portable Power Testing Tool, 3.94 inches / 10.0 cm Length, Precise Data Storage[cite: 1] $10.94
![M Buder Mini USB Voltage Current Monitor Tester Capacity Detector LCD Display 4V-30V 0-3A, Portable Power Testing Tool, 3.94 inches / 10.0 cm Length, Precise Data Storage[cite: 1]](https://i5.walmartimages.com/seo/M-Buder-Mini-USB-Voltage-Current-Monitor-Tester-Capacity-Detector-LCD-Display-4V-30V-0-3A-Portable-Power-Testing-Tool-3-94-inches-10-0-cm-Length-Prec_5077b449-15ce-40a3-86ca-6816fb4ba184.c36f3405796f8e1bdeb0792ad0e81f9c.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$1094
current price $10.94M Buder Mini USB Voltage Current Monitor Tester Capacity Detector LCD Display 4V-30V 0-3A, Portable Power Testing Tool, 3.94 inches / 10.0 cm Length, Precise Data Storage[cite: 1]
GJX Non-Contact Voltage Detector,AC Voltage Tester 12-1000V with Adjustable Sensitivity with Flashlight and Audible Alarm,Neutral/Phase Wire Test and Detect $8.57
$857
current price $8.57GJX Non-Contact Voltage Detector,AC Voltage Tester 12-1000V with Adjustable Sensitivity with Flashlight and Audible Alarm,Neutral/Phase Wire Test and Detect
Fluke 1LACAII Low Voltage Detector $53.85
$5385
current price $53.85Fluke 1LACAII Low Voltage Detector
134.5 out of 5 Stars. 13 reviews
Intelligent Voltage Tester Pen Non-contact Induction Digital Power Detector Pencil Electric Screwdriver Probe Circuit Indicator
Intelligent Voltage Tester Pen Non-contact Induction Digital Power Detector Pencil Electric Screwdriver Probe Circuit Indicator
Rupoun Digital Voltmeter AC DC Voltage Tester Meter 85-260V Input with 2 Way Relay Output for Machine Non-Contact Voltage Detector Pen Electrical Sniffer Tool 4.72 inches / 12.00 cm Length $33.96
$3396
current price $33.96Rupoun Digital Voltmeter AC DC Voltage Tester Meter 85-260V Input with 2 Way Relay Output for Machine Non-Contact Voltage Detector Pen Electrical Sniffer Tool 4.72 inches / 12.00 cm Length
GJX AC/DC Non-Contact LCD Electric Test Pen Voltage Digital Detector Tester $6.65
$665
current price $6.65GJX AC/DC Non-Contact LCD Electric Test Pen Voltage Digital Detector Tester
Adifare 2Pcs 2 in 1 Voltage Tester Screwdriver Set Non Contact/Contact High Torque Electric Voltage Detector Pen Magnetic Slotted Cross Screwdriver Circuit Detector for Electrician
Adifare 2Pcs 2 in 1 Voltage Tester Screwdriver Set Non Contact/Contact High Torque Electric Voltage Detector Pen Magnetic Slotted Cross Screwdriver Circuit Detector for Electrician
2-in-1 High Torque Strong Magnetic Flathead Phillips Screwdriver Electricity Detector Electric Non-Contact Voltage Tester Pen Electrical Current Power Circuit Live Wire Electrician Tester
2-in-1 High Torque Strong Magnetic Flathead Phillips Screwdriver Electricity Detector Electric Non-Contact Voltage Tester Pen Electrical Current Power Circuit Live Wire Electrician Tester
M Buder Digital Voltage Detector 12V-300V Non-Contact AC Voltage Tester Pen with LCD Display, Sound and Light Alarm, LED Flashlight, Zero Fire Wire Recognition, 6.3 inches / 16 cm Length, Black/Red $11.37
$1137
current price $11.37M Buder Digital Voltage Detector 12V-300V Non-Contact AC Voltage Tester Pen with LCD Display, Sound and Light Alarm, LED Flashlight, Zero Fire Wire Recognition, 6.3 inches / 16 cm Length, Black/Red
Voltage Tester Detector Multimeter Color Display Non-Contact Electric Pen Dual Range Live Wire Test Ohm Hz NCV Meter ,Battery Test $38.33
$3833
current price $38.33Voltage Tester Detector Multimeter Color Display Non-Contact Electric Pen Dual Range Live Wire Test Ohm Hz NCV Meter ,Battery Test
Suodoka AC20 Multifunctional Non-Contact AC Voltage Detector Pen, 48-1000V Waterproof Electrical Circuit Sensor with LED Flashlight & LCD Display for Home Use, 6.30 inches / 16.0 cm $13.77
$1377
current price $13.77Suodoka AC20 Multifunctional Non-Contact AC Voltage Detector Pen, 48-1000V Waterproof Electrical Circuit Sensor with LED Flashlight & LCD Display for Home Use, 6.30 inches / 16.0 cm
Riousery Telescopic Voltage Tester 10KV Mini High Voltage Acousto Optic Electroscope Detector For Home Electrical Testing Expandable To 35.4 inches / 90 cm Sound And Light Alarm Diagnostic Tool $25.34
$2534
current price $25.34Riousery Telescopic Voltage Tester 10KV Mini High Voltage Acousto Optic Electroscope Detector For Home Electrical Testing Expandable To 35.4 inches / 90 cm Sound And Light Alarm Diagnostic Tool
zhonghuaying 1 Pack Voltage Tester Pen, 90-1000V AC Electrical Detector with Light and Sound Alerts From $5.57
From$557
zhonghuaying 1 Pack Voltage Tester Pen, 90-1000V AC Electrical Detector with Light and Sound Alerts
Milwaukee Non-Contact Voltage Detector w/Laser Infrared Thermometer $62.33
$6233
current price $62.33Milwaukee Non-Contact Voltage Detector w/Laser Infrared Thermometer
Voltage Tester Portable Voltage Tester Electrical Pen Ac Voltage Electric Detector Smart Breakpoint ,High&Low Sensitivity $77.45
$7745
current price $77.45Voltage Tester Portable Voltage Tester Electrical Pen Ac Voltage Electric Detector Smart Breakpoint ,High&Low Sensitivity
M Buder Multifunction Digital DC Voltage Current Power Frequency Meter Factor Detector 6.5-100V 100A $22.02
$2202
current price $22.02M Buder Multifunction Digital DC Voltage Current Power Frequency Meter Factor Detector 6.5-100V 100A
NFTIGB 220V 10(40)A Digital 1 Phase 2 Wire 4P Din Rail Electric Meter Electronic KWh Meter XTM75S AC Voltage Detector Noncontact Power Tester 3.46 inches / 8.8 cm for Home Improvement $18.60
$1860
current price $18.60NFTIGB 220V 10(40)A Digital 1 Phase 2 Wire 4P Din Rail Electric Meter Electronic KWh Meter XTM75S AC Voltage Detector Noncontact Power Tester 3.46 inches / 8.8 cm for Home Improvement
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