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Surveillance EquipmentAs low as 0% APR on TVsTop 100 TV SavingsAll CamerasAll GPS DevicesAll PhonesAll Resold at WalmartAll Security CamerasAll Smart TVsApple HomeKit Compatible DevicesAudio Visual AccessoriesCar GPSCell Phone AccessoriesComputer AccessoriesComputer ComponentsComputer ScannersDesktop ComputersDrone AccessoriesFrame TVsGarminGeneral Electronic AccessoriesGoogleGPS AccessoriesGPS TrackersGrades 6-12 ElectronicsHDR TVsHeadphonesHome Audio, Speakers & SoundbarsiPad & TabletsLaptop AccessoriesLaptopsLED TVsNetworkingPC GamingPortable AudioResold AutomotiveResold ElectronicsResold Movies & MediaResold Open boxRestored AutomotiveRestored HomeRestored PremiumRestored TechRestored ToolsSecurity CamerasSecurity Cameras and Security Camera SystemsShop all Headphones & SpeakersShop by BenefitShop by BrandShop by CompatibilityShop by RoomShop Cameras by TypeShop TVs by BrandShop TVs by SizeSmart Energy and LightingSmart Health and FitnessSmart Home Assistants, Controllers & HubsSmart SpeakersSmart TVsSmart WatchesSurveillance CamerasTablet AccessoriesTP LinkTV AccessoriesWalkie Talkies & 2-Way RadiosWorks with AlexaWorks with Google Assistant

Level Detectors

Uses item details. Price when purchased online

Best seller, TOPTES Sound Level Meter 30130 dB, Digital Decibel Noise Meter with Backlit LCD, A/C Weighting, Max Min Hold, Professional dB Meter for Home, Classroom, Factory, Audio Testing $29.99

Best seller
TOPTES Sound Level Meter 30130 dB, Digital Decibel Noise Meter with Backlit LCD, A/C Weighting, Max Min Hold, Professional dB Meter for Home, Classroom, Factory, Audio Testing
current price $29.99

TOPTES Sound Level Meter 30130 dB, Digital Decibel Noise Meter with Backlit LCD, A/C Weighting, Max Min Hold, Professional dB Meter for Home, Classroom, Factory, Audio Testing

4.8 out of 5 stars
4.8 out of 5 Stars. 34 reviews

NFTIGB Liquid Level Transmitter Submersible Water Sensor Detector 4-20mA DC12-30V Stainless Steel Probe 3m / 118.11 inches for Water Tanks

NFTIGB Liquid Level Transmitter Submersible Water Sensor Detector 4-20mA DC12-30V Stainless Steel Probe 3m / 118.11 inches for Water Tanks

NFTIGB Liquid Level Transmitter Submersible Water Sensor Detector 4-20mA DC12-30V Stainless Steel Probe 3m / 118.11 inches for Water Tanks

Digital Sound Level Noise Meter 30-130DB DB Decibel Detector Tester $14.47

Digital Sound Level Noise Meter 30-130DB DB Decibel Detector Tester
current price $14.47

Digital Sound Level Noise Meter 30-130DB DB Decibel Detector Tester

5 out of 5 stars
5 out of 5 Stars. 1 reviews

Clearance, POYOGA Water Level Alarm Sensor Water Leak Detector for Fish for Tank Hydroponics $7.99 Was $9.99

POYOGA Water Level Alarm Sensor Water Leak Detector for Fish for Tank Hydroponics
current price Now $7.99, Was $9.99

POYOGA Water Level Alarm Sensor Water Leak Detector for Fish for Tank Hydroponics

M Buder A-Weighted Mini Decibel Meter Sound Level Monitor High Accuracy Noise Detector 30-130dB Digital Display with Backlight Portable Audio Tester for Home Office Factory Industry $32.68

M Buder A-Weighted Mini Decibel Meter Sound Level Monitor High Accuracy Noise Detector 30-130dB Digital Display with Backlight Portable Audio Tester for Home Office Factory Industry
current price $32.68

M Buder A-Weighted Mini Decibel Meter Sound Level Monitor High Accuracy Noise Detector 30-130dB Digital Display with Backlight Portable Audio Tester for Home Office Factory Industry

Non-Contact Liquid Level Sensor, Intelligent Water Level Detector for Non-Metallic Containers (XKC-Y26S PNP 24V) $17.77

Non-Contact Liquid Level Sensor, Intelligent Water Level Detector for Non-Metallic Containers (XKC-Y26S PNP 24V)
current price $17.77

Non-Contact Liquid Level Sensor, Intelligent Water Level Detector for Non-Metallic Containers (XKC-Y26S PNP 24V)

Facvoer Water Immersion Detector Ultra-Long Standby, 135 dB Level Wall-Mounted Touch-Down Dual-Mode Leakage Alarm for Basement, Bathroom, Laundry Room, Kitchen, Garages and Attics $6.99 Was $8.99

Facvoer Water Immersion Detector Ultra-Long Standby, 135 dB Level Wall-Mounted Touch-Down Dual-Mode Leakage Alarm for Basement, Bathroom, Laundry Room, Kitchen, Garages and Attics
current price Now $6.99, Was $8.99

Facvoer Water Immersion Detector Ultra-Long Standby, 135 dB Level Wall-Mounted Touch-Down Dual-Mode Leakage Alarm for Basement, Bathroom, Laundry Room, Kitchen, Garages and Attics

Digital Sound Level Noise Meter Measurement 30-130DB DB Decibel Detector Audio Tester Metro Diagnostic Tool $11.99 Was $16.35

Digital Sound Level Noise Meter Measurement 30-130DB DB Decibel Detector Audio Tester Metro Diagnostic Tool
current price Now $11.99, Was $16.35

Digital Sound Level Noise Meter Measurement 30-130DB DB Decibel Detector Audio Tester Metro Diagnostic Tool

4 out of 5 stars
4 out of 5 Stars. 4 reviews

TeeRees Probe Water Level Alarm Sensor 100Db Loud Overflow Leakage Detector for Home Aquarium Tank Pool Monitoring tool,Full of water, White, Copper, 0.5m

TeeRees Probe Water Level Alarm Sensor 100Db Loud Overflow Leakage Detector for Home Aquarium Tank Pool Monitoring tool,Full of water, White, Copper, 0.5m

TeeRees Probe Water Level Alarm Sensor 100Db Loud Overflow Leakage Detector for Home Aquarium Tank Pool Monitoring tool,Full of water, White, Copper, 0.5m

GJX 2026 New Portable Decibel Meter Sound Detector Noise Measurement Device Tester Digital Level for Sound Monitoring,Noise Control,Environmental Assessments,Workplace,Home,Outdoor Activities $15.59

GJX 2026 New Portable Decibel Meter Sound Detector Noise Measurement Device Tester Digital Level for Sound Monitoring,Noise Control,Environmental Assessments,Workplace,Home,Outdoor Activities
current price $15.59

GJX 2026 New Portable Decibel Meter Sound Detector Noise Measurement Device Tester Digital Level for Sound Monitoring,Noise Control,Environmental Assessments,Workplace,Home,Outdoor Activities

Decibel Meter 13 Inches 30-130dB Sound Level Meter, Large LCD Display Wall Hanging Sound Gauge, Noise Level Detector $64.75

Decibel Meter 13 Inches 30-130dB Sound Level Meter, Large LCD Display Wall Hanging Sound Gauge, Noise Level Detector
current price $64.75

Decibel Meter 13 Inches 30-130dB Sound Level Meter, Large LCD Display Wall Hanging Sound Gauge, Noise Level Detector

Digital Sound Meter Decibel Meter 30~130dB Measure Decibels Sound Level Noise ,Sound Detector $128.18

Digital Sound Meter Decibel Meter 30~130dB Measure Decibels Sound Level Noise ,Sound Detector
current price $128.18

Digital Sound Meter Decibel Meter 30~130dB Measure Decibels Sound Level Noise ,Sound Detector

Ultrasonic Liquid Level Sensor/air Conditioner Water Level Induction Switch Cooling-water Machine Water Level Monitoring Sensor ,Level Detector $47.33

Ultrasonic Liquid Level Sensor/air Conditioner Water Level Induction Switch Cooling-water Machine Water Level Monitoring Sensor ,Level Detector
current price $47.33

Ultrasonic Liquid Level Sensor/air Conditioner Water Level Induction Switch Cooling-water Machine Water Level Monitoring Sensor ,Level Detector

Handheld Digital Decibel Meter Sound Level Detector With Datas Hold Function For Accurate Environment Noise Testing See price in cart

Handheld Digital Decibel Meter Sound Level Detector With Datas Hold Function For Accurate Environment Noise Testing
current price See price in cart

Handheld Digital Decibel Meter Sound Level Detector With Datas Hold Function For Accurate Environment Noise Testing

Tuya WiFi Smart Water Leak Sensor Water Overflow Level Detector Security Sound Alarm System Flood Leakage Sensor $9.77

Tuya WiFi Smart Water Leak Sensor Water Overflow Level Detector Security Sound Alarm System Flood Leakage Sensor
current price $9.77

Tuya WiFi Smart Water Leak Sensor Water Overflow Level Detector Security Sound Alarm System Flood Leakage Sensor

Water Leakage Alarm Detector with Wired Sensor 1 Meter Cable Water Level Sensor Probe Dual Metal Poles $7.02

Water Leakage Alarm Detector with Wired Sensor 1 Meter Cable Water Level Sensor Probe Dual Metal Poles
current price $7.02

Water Leakage Alarm Detector with Wired Sensor 1 Meter Cable Water Level Sensor Probe Dual Metal Poles

Sound Level Meter Digital Handheld DB Meter Noise Level Meter 30-130dB Decibels ,Sound Detector

Sound Level Meter Digital Handheld DB Meter Noise Level Meter 30-130dB Decibels ,Sound Detector

Sound Level Meter Digital Handheld DB Meter Noise Level Meter 30-130dB Decibels ,Sound Detector

WiFi Water Leak & Level Detector with Smart Alert System $33.99

WiFi Water Leak & Level Detector with Smart Alert System
current price $33.99

WiFi Water Leak & Level Detector with Smart Alert System

Tuya WIFI Water Level Detector Ultrasound Water Usage Meter Remote Digital Water Controller Water Tank Sensor US Plug,1 * Water Level Detector 1 * Power Adapter,Orange $50.19

Tuya WIFI Water Level Detector Ultrasound Water Usage Meter Remote Digital Water Controller Water Tank Sensor US Plug,1 * Water Level Detector 1 * Power Adapter,Orange
current price $50.19

Tuya WIFI Water Level Detector Ultrasound Water Usage Meter Remote Digital Water Controller Water Tank Sensor US Plug,1 * Water Level Detector 1 * Power Adapter,Orange

GJX Water Leakage Detector Water Leak Sensor Wireless Water Level Detector Water Leak Alarm Sensor Home Waterproof Smart Remote Notification $10.44

GJX Water Leakage Detector Water Leak Sensor Wireless Water Level Detector Water Leak Alarm Sensor Home Waterproof Smart Remote Notification
current price $10.44

GJX Water Leakage Detector Water Leak Sensor Wireless Water Level Detector Water Leak Alarm Sensor Home Waterproof Smart Remote Notification

Digital Sound Level Meter Noise Tester Sound Detector High Precision Decible Monitor 30-130dBA Audio Measuring Instrument Alarm ,Easy to Operate $129.21

Digital Sound Level Meter Noise Tester Sound Detector High Precision Decible Monitor 30-130dBA Audio Measuring Instrument Alarm ,Easy to Operate
current price $129.21

Digital Sound Level Meter Noise Tester Sound Detector High Precision Decible Monitor 30-130dBA Audio Measuring Instrument Alarm ,Easy to Operate

Truck & Vehicle Non-contact Ultrasonic Fuel Oil Consumption Real-time Monitoring Level Sensor, Liquid Water Level Detector ,Easy to Operate From $142.18

Truck & Vehicle Non-contact Ultrasonic Fuel Oil Consumption Real-time Monitoring Level Sensor, Liquid Water Level Detector ,Easy to Operate
Voltage-Analog 0-5V, variant on Truck & Vehicle Non-contact Ultrasonic Fuel Oil Consumption Real-time Monitoring Level Sensor, Liquid Water Level Detector ,Easy to Operate
U02-RS232, variant on Truck & Vehicle Non-contact Ultrasonic Fuel Oil Consumption Real-time Monitoring Level Sensor, Liquid Water Level Detector ,Easy to Operate
U02-RS485, variant on Truck & Vehicle Non-contact Ultrasonic Fuel Oil Consumption Real-time Monitoring Level Sensor, Liquid Water Level Detector ,Easy to Operate
Options
From$14218

Truck & Vehicle Non-contact Ultrasonic Fuel Oil Consumption Real-time Monitoring Level Sensor, Liquid Water Level Detector ,Easy to Operate

Level Sense PRO- Wi-Fi Enabled Sump Pump, Temperature, Humidity, and Leak Detector $204.99

Level Sense PRO- Wi-Fi Enabled Sump Pump, Temperature, Humidity, and Leak Detector
current price $204.99

Level Sense PRO- Wi-Fi Enabled Sump Pump, Temperature, Humidity, and Leak Detector

Decibel Meter Digital Sound Level Meter Portable SPL Meter 35dB-130dB with LCD Display Backlight ,Sound Detector $67.26

Decibel Meter Digital Sound Level Meter Portable SPL Meter 35dB-130dB with LCD Display Backlight ,Sound Detector
current price $67.26

Decibel Meter Digital Sound Level Meter Portable SPL Meter 35dB-130dB with LCD Display Backlight ,Sound Detector

Decibel Meter Digital Sound Level Meter Portable SPL Meter 30dB-130dB ,Sound Detector $75.26

Decibel Meter Digital Sound Level Meter Portable SPL Meter 30dB-130dB ,Sound Detector
current price $75.26

Decibel Meter Digital Sound Level Meter Portable SPL Meter 30dB-130dB ,Sound Detector

Multifunction Sound Level Gauges Noise Detectors for Comprehensive Noise Analysis $42.69 Was $53.06

Multifunction Sound Level Gauges Noise Detectors for Comprehensive Noise Analysis
current price Now $42.69, Was $53.06

Multifunction Sound Level Gauges Noise Detectors for Comprehensive Noise Analysis

Water Leak & Level Detector 2-in-1 3 Pack $130.98

Water Leak & Level Detector 2-in-1 3 Pack
current price $130.98

Water Leak & Level Detector 2-in-1 3 Pack

30-130dB Weighted Digital Sound Level Meter Handheld Decibelimetro Decibel Noise Meter ,Sound Detector

30-130dB Weighted Digital Sound Level Meter Handheld Decibelimetro Decibel Noise Meter ,Sound Detector

30-130dB Weighted Digital Sound Level Meter Handheld Decibelimetro Decibel Noise Meter ,Sound Detector

Clearance, POROMETISTO SL02 Digital Noise Meter Sound Level Meter 30-130dB A/C Weighted Handheld DB Meter Noise Decibel Monitor Noise Audio Sound Detector $21.99 Was $24.99

POROMETISTO SL02 Digital Noise Meter Sound Level Meter 30-130dB A/C Weighted Handheld DB Meter Noise Decibel Monitor Noise Audio Sound Detector
current price Now $21.99, Was $24.99

POROMETISTO SL02 Digital Noise Meter Sound Level Meter 30-130dB A/C Weighted Handheld DB Meter Noise Decibel Monitor Noise Audio Sound Detector

IP65 Noise Meter Sensor Environmental Online Monitoring Transmitter Decibel Detector Sound Level ,Easy to Carry

IP65 Noise Meter Sensor Environmental Online Monitoring Transmitter Decibel Detector Sound Level ,Easy to Carry

IP65 Noise Meter Sensor Environmental Online Monitoring Transmitter Decibel Detector Sound Level ,Easy to Carry

Clearance, YOSADIER Stainless Steel Liquid Level Float Sensor, Water Level Detector with 316 Steel Float and Stem $10.99 Was $12.35

YOSADIER Stainless Steel Liquid Level Float Sensor, Water Level Detector with 316 Steel Float and Stem
current price Now $10.99, Was $12.35

YOSADIER Stainless Steel Liquid Level Float Sensor, Water Level Detector with 316 Steel Float and Stem

Tizuqe NonContact Water Level Sensors Separated Liquid Level Sensors Level Detector $10.35

Tizuqe NonContact Water Level Sensors Separated Liquid Level Sensors Level Detector
current price $10.35

Tizuqe NonContact Water Level Sensors Separated Liquid Level Sensors Level Detector

Backlight LCD Digital Sound Level Meter Handheld Decibel Tester Multifunctional Noise Volume Detector for Home ,Accurate Measurement $68.29

Backlight LCD Digital Sound Level Meter Handheld Decibel Tester Multifunctional Noise Volume Detector for Home ,Accurate Measurement
current price $68.29

Backlight LCD Digital Sound Level Meter Handheld Decibel Tester Multifunctional Noise Volume Detector for Home ,Accurate Measurement

for Smart Life for Tuya Water Level WIFI Water Leakage Sensor Detector Alarm $14.52

for Smart Life for Tuya Water Level WIFI Water Leakage Sensor Detector Alarm
current price $14.52

for Smart Life for Tuya Water Level WIFI Water Leakage Sensor Detector Alarm

Decibel Meter Noise Meter Sound Detector Noise Tester Sound Level Meter ,Portable $81.29

Decibel Meter Noise Meter Sound Detector Noise Tester Sound Level Meter ,Portable
current price $81.29

Decibel Meter Noise Meter Sound Detector Noise Tester Sound Level Meter ,Portable

Water Intrusion Detector Flood WIFI Water Leak Sensor Water Leakage Intrusion Detector Alert Water Level Overflow Alarm Tuya Smart Life App Remote Control for Home House Security $11.71

Water Intrusion Detector Flood WIFI Water Leak Sensor Water Leakage Intrusion Detector Alert Water Level Overflow Alarm Tuya Smart Life App Remote Control for Home House Security
current price $11.71

Water Intrusion Detector Flood WIFI Water Leak Sensor Water Leakage Intrusion Detector Alert Water Level Overflow Alarm Tuya Smart Life App Remote Control for Home House Security

GJX Propane/Natural Gas Detector,Home Leak Alarm with Remote Control,Tester,Sensor,Sniffer,Combustible Level: Methane,Butane,LPG,LNG,Voice/Light Warning $18.80

GJX Propane/Natural Gas Detector,Home Leak Alarm with Remote Control,Tester,Sensor,Sniffer,Combustible Level: Methane,Butane,LPG,LNG,Voice/Light Warning
current price $18.80

GJX Propane/Natural Gas Detector,Home Leak Alarm with Remote Control,Tester,Sensor,Sniffer,Combustible Level: Methane,Butane,LPG,LNG,Voice/Light Warning

Digital Sound Level Meter Handheld SPL Meter,30-130DB Noise Measure, Larger Backlit LCD Display ,Sound Detector $56.87

Digital Sound Level Meter Handheld SPL Meter,30-130DB Noise Measure, Larger Backlit LCD Display ,Sound Detector
current price $56.87

Digital Sound Level Meter Handheld SPL Meter,30-130DB Noise Measure, Larger Backlit LCD Display ,Sound Detector

Digital Sound Level Meter Noise 30~130dB Measuring Instrument ,Sound Detector $43.22

Digital Sound Level Meter Noise 30~130dB Measuring Instrument ,Sound Detector
current price $43.22

Digital Sound Level Meter Noise 30~130dB Measuring Instrument ,Sound Detector

Digital Sound Level Meter 30-130dB Decibel Meter Noise Level Meter Mini LCD Sound Meter ,Sound Detector $91.72

Digital Sound Level Meter 30-130dB Decibel Meter Noise Level Meter Mini LCD Sound Meter ,Sound Detector
current price $91.72

Digital Sound Level Meter 30-130dB Decibel Meter Noise Level Meter Mini LCD Sound Meter ,Sound Detector

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