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Surveillance EquipmentAll CamerasAll CanonAll PhonesAll Resold at WalmartAll Security CamerasAll TabletsAppleApple AccessoriesApple iPadApple WatchCamera AccessoriesCell Phone AccessoriesComputer AccessoriesComputer MonitorsCordless PhonesDesktop ComputersGeneral Electronic AccessoriesGoogleGrades 6-12 ElectronicsInternet Phone Products (VoIP)iPad & TabletsKids Smartwatches & Fitness TrackersLaptop AccessoriesLaptopsPC GamingPrinters & SuppliesResold ElectronicsRestored AutomotiveRestored HomeRestored PremiumRestored TechSecurity CamerasSecurity Cameras and Security Camera SystemsShop by BenefitShop by CompatibilityShop by RoomShop Cameras by BrandShop Cameras by TypeSmart Energy and LightingSmart GlassesSmart Watch CategoriesSmart WatchesSonySurveillance CamerasWeb CamerasWorks with Alexa
Tr Sensor(159)
Uses item details. Price when purchased online
Tri Sensor Assembly with Cord Professional $237.93
$23793
current price $237.93Tri Sensor Assembly with Cord Professional
Non-Contact Liquid Level Sensor, Intelligent Water Level Detector for Non-Metallic Containers (XKC-Y26S PNP 24V) $17.64
$1764
current price $17.64Non-Contact Liquid Level Sensor, Intelligent Water Level Detector for Non-Metallic Containers (XKC-Y26S PNP 24V)
Remanufactured Woudy 62TE Transmission Pressure Transducer Sensor 5078708AC for Chrysler Dodge Ram $24.99
$2499
current price $24.99Remanufactured Woudy 62TE Transmission Pressure Transducer Sensor 5078708AC for Chrysler Dodge Ram
YoLink LoRa Water Level Monitoring Sensor Starter Kit: 1 YoLink Hub & Wireless Battery-Powered Float Switch Alarm, Sump Pump Alarm, AC Condensate Overflow, Tank Level, Toilet Leak Sensor, 105dB Siren $49.99
$4999
current price $49.99YoLink LoRa Water Level Monitoring Sensor Starter Kit: 1 YoLink Hub & Wireless Battery-Powered Float Switch Alarm, Sump Pump Alarm, AC Condensate Overflow, Tank Level, Toilet Leak Sensor, 105dB Siren
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
Best seller, X-Sense WiFi Water Leak Detector, No Hub Required, Leak & Freeze Sensor with App Alerts, Instant Notifications for Basement, Kitchen & Bathroom, 1-Pack From $17.99
Best seller
4 options
Available in additional 4 optionsFrom$1799
X-Sense WiFi Water Leak Detector, No Hub Required, Leak & Freeze Sensor with App Alerts, Instant Notifications for Basement, Kitchen & Bathroom, 1-Pack
4.7 out of 5 stars
Polar H10 Heart Rate Monitor – ANT+ , Bluetooth – HR Sensor for Men and Women – Built-in Memory, M-XXL From $89.21
From$8921
Polar H10 Heart Rate Monitor – ANT+ , Bluetooth – HR Sensor for Men and Women – Built-in Memory, M-XXL
4.4 out of 5 stars
2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks $12.19
$1219
current price $12.192.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks
1 out of 5 stars
Zircon Leak Alert Electronic Water Detector, Flood Sensor, Battery Powered Alarm, 90 dB From $14.99
From$1499
Zircon Leak Alert Electronic Water Detector, Flood Sensor, Battery Powered Alarm, 90 dB
4.8 out of 5 stars
Water Leak Detectors for Home, Indoor Ultrasonic Underground Pipe Leak Locator 0.5m Depth - OH TYMWT-2A $259.00
$25900
current price $259.00Water Leak Detectors for Home, Indoor Ultrasonic Underground Pipe Leak Locator 0.5m Depth - OH TYMWT-2A
Water Detector Alarm, Smart Water Sensor Alarm Water Leak Detector, 100dB Water Detector Alarm with App Remote Monitor, Wireless Tank Level Monitor for Basement,Kitchen,Bathroom.1PCS $19.99
$1999
current price $19.99Water Detector Alarm, Smart Water Sensor Alarm Water Leak Detector, 100dB Water Detector Alarm with App Remote Monitor, Wireless Tank Level Monitor for Basement,Kitchen,Bathroom.1PCS
Polar Verity Sense – Optical Heart Rate Monitor – ANT+ and Dual Bluetooth HRM – Waterproof HR Sensor
Polar Verity Sense – Optical Heart Rate Monitor – ANT+ and Dual Bluetooth HRM – Waterproof HR Sensor
3.9 out of 5 stars
Clearance, 8 Channel IR Tracking Sensor Module 8 CH Infrared Line Track Trace Detect Board $7.82 Was $8.74
Now$782
current price Now $7.82, Was $8.74$8.74
8 Channel IR Tracking Sensor Module 8 CH Infrared Line Track Trace Detect Board
X-Sense Wi-Fi Water Sensor, Accessory for SWS54 Water Sensor Kit, SBS50 Base Station Required, Model SWS51, 1-Pack From $15.99
3 options
Available in additional 3 optionsFrom$1599
X-Sense Wi-Fi Water Sensor, Accessory for SWS54 Water Sensor Kit, SBS50 Base Station Required, Model SWS51, 1-Pack
4.7 out of 5 stars
New HC-SR501 Small PIR Sensor Module Pyroelectric Infrared Body Motion Sensing-1pc $3.48
$348
current price $3.48New HC-SR501 Small PIR Sensor Module Pyroelectric Infrared Body Motion Sensing-1pc
4.3 out of 5 stars
Smart Home Water Level Sensor, Controller Leakage Flood Alarm, Swimming Tank Flow Detector System Leak Protection ,Industrial Meter $84.42
$8442
current price $84.42Smart Home Water Level Sensor, Controller Leakage Flood Alarm, Swimming Tank Flow Detector System Leak Protection ,Industrial Meter
Jotron Tron SA20 PLB Personal Locator Beacon | Compact & Lightweight | GPS & Galileo GNSS | 406MHz Emergency Signal | Waterproof | SOLAS Approved | Programmed for US Registration $287.00
$28700
current price $287.00Jotron Tron SA20 PLB Personal Locator Beacon | Compact & Lightweight | GPS & Galileo GNSS | 406MHz Emergency Signal | Waterproof | SOLAS Approved | Programmed for US Registration
5 out of 5 stars
Tuya WiFi Smart PIR Sensor Human Body Infrared Motion Detector Home Security Scene Linkage Automation $12.61
$1261
current price $12.61Tuya WiFi Smart PIR Sensor Human Body Infrared Motion Detector Home Security Scene Linkage Automation
Bryton Smart Heart Rate Sensor ANT+/BLE Heart Rate $51.74
$5174
current price $51.74Bryton Smart Heart Rate Sensor ANT+/BLE Heart Rate
Lochinvar & A.O. Smith 100208552 - Water Temp Sensor $37.13
$3713
current price $37.13Lochinvar & A.O. Smith 100208552 - Water Temp Sensor
Antigravity BTR-3 Bluetooth Battery Tracker Plus Wireless Battery Monitor for 6V, 12V & 24V Vehicles with Smartphone App $49.99
$4999
current price $49.99Antigravity BTR-3 Bluetooth Battery Tracker Plus Wireless Battery Monitor for 6V, 12V & 24V Vehicles with Smartphone App
5 out of 5 stars
GJX 5 Pack Water Leak Detectors,100dB Water Sensor Alarm,Water Leakage Detection Devices for Home Pipe/Drain/Sink/Faucet Drip,Floor Flooding in $51.15
$5115
current price $51.15GJX 5 Pack Water Leak Detectors,100dB Water Sensor Alarm,Water Leakage Detection Devices for Home Pipe/Drain/Sink/Faucet Drip,Floor Flooding in
Aeotec ZWA005 Z-Wave Plus TriSensor Multi-Sensor Gen5 $62.99
$6299
current price $62.99Aeotec ZWA005 Z-Wave Plus TriSensor Multi-Sensor Gen5
Garmin Bike Cadence Sensor 2 Wireless Bicycle Computer, Black $64.99
$6499
current price $64.99Garmin Bike Cadence Sensor 2 Wireless Bicycle Computer, Black
4.7 out of 5 stars
First Alert TWLD3005-001 L2 WiFi Water Sensor And Switch Leak Detector $84.96 Was $106.62
Now$8496
current price Now $84.96, Was $106.62$106.62
First Alert TWLD3005-001 L2 WiFi Water Sensor And Switch Leak Detector
Smart Zigbee 3.0 Water Leak Detector Alert High Sensitivity Flood Sensor for TUYA Home Security (5x5x4 inches / 12.7x12.7x10.1 cm) $16.94
$1694
current price $16.94Smart Zigbee 3.0 Water Leak Detector Alert High Sensitivity Flood Sensor for TUYA Home Security (5x5x4 inches / 12.7x12.7x10.1 cm)
YIEMEEN AK1016 Music Meter Level Music Spectrum Sound Level Indicator Display for Car
YIEMEEN AK1016 Music Meter Level Music Spectrum Sound Level Indicator Display for Car
Water Leak Detector Sensor Water Tube Leakage Monitor Tester Kit with Dual Probes Earphone High Sensitivity Water Pipeline Locator Accessory Kit $33.87
$3387
current price $33.87Water Leak Detector Sensor Water Tube Leakage Monitor Tester Kit with Dual Probes Earphone High Sensitivity Water Pipeline Locator Accessory Kit
YoLink LoRa Smart Vibration Sensor & Hub Starter Kit: Hub & Smart Shock, Glass Break, Tamper, Movement Detector, Generator Running, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, IFTTT From $24.59
From$2459
YoLink LoRa Smart Vibration Sensor & Hub Starter Kit: Hub & Smart Shock, Glass Break, Tamper, Movement Detector, Generator Running, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, IFTTT
4.7 out of 5 stars
Zircon Leak Alert 360™ Smart Water Leak Detector Kit, 2 Sensors, iOS Only – 2 Sensor Kit with Charging Station From $74.99
5 options
Available in additional 5 optionsFrom$7499
Zircon Leak Alert 360™ Smart Water Leak Detector Kit, 2 Sensors, iOS Only – 2 Sensor Kit with Charging Station
3.6 out of 5 stars
2X VU Level Meter TR-35 500 VU Meter Panel Mechanical Pointer Type Audio Level Meter White LED 2.8-3.8V 20MA $19.38
$1938
current price $19.382X VU Level Meter TR-35 500 VU Meter Panel Mechanical Pointer Type Audio Level Meter White LED 2.8-3.8V 20MA
Kuman 37 in 1 Sensor Module Kit for Arduino and Raspberry Pi with Project Tutorials $22.67 Was $27.35
Now$2267
current price Now $22.67, Was $27.35$27.35
Kuman 37 in 1 Sensor Module Kit for Arduino and Raspberry Pi with Project Tutorials
4.8 out of 5 stars
Sorven Testing Equipment Meter Portable TR-57-S0346 VU Meter Power Amplifier DB Meter with Backlight Sound Level Tester for Home Car $34.04
$3404
current price $34.04Sorven Testing Equipment Meter Portable TR-57-S0346 VU Meter Power Amplifier DB Meter with Backlight Sound Level Tester for Home Car
High Sensitivity PIR IR Pyroelectric Sensor DC 3.3V-5V Infrared Human Motion Detector Module with PH2.0 Terminal Cable (1-2 Meters / 3.28-6.56 Feet Detection Range) $9.62
$962
current price $9.62High Sensitivity PIR IR Pyroelectric Sensor DC 3.3V-5V Infrared Human Motion Detector Module with PH2.0 Terminal Cable (1-2 Meters / 3.28-6.56 Feet Detection Range)
ROCKROK Non Contact Liquid Level Sensor Contactless Water Level Sensor for Tank Water $11.44
$1144
current price $11.44ROCKROK Non Contact Liquid Level Sensor Contactless Water Level Sensor for Tank Water
Tuya ZigBee Smart Water Sensor Water Leak Detector Alarm APP Remote Control Water Leak Sensor Water Tank Full Alarm,1 * Smart Water Sensor,White $12.49
$1249
current price $12.49Tuya ZigBee Smart Water Sensor Water Leak Detector Alarm APP Remote Control Water Leak Sensor Water Tank Full Alarm,1 * Smart Water Sensor,White
Water Leak Sensor 4 with 105dB Audio Alarm 3-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Hub Required! $54.99
$5499
current price $54.99Water Leak Sensor 4 with 105dB Audio Alarm 3-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Hub Required!
1 out of 5 stars
PQ125C Indoor&Outdoor Underground Water Leak Detector 3 Sensors, 9.84ft/3m Depth with Carrying Case - PQWT $1,049.00
$1,04900
current price $1,049.00PQ125C Indoor&Outdoor Underground Water Leak Detector 3 Sensors, 9.84ft/3m Depth with Carrying Case - PQWT
5 out of 5 stars
GJX 22-In-1 Starter Kit Sensor Module With Tutorial For Arduino Raspberry Pi Durable $16.41
$1641
current price $16.41GJX 22-In-1 Starter Kit Sensor Module With Tutorial For Arduino Raspberry Pi Durable
YOLINK LoRa Smart Outdoor Contact Sensor, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Range, Alexa, IFTTT, Home Assistant (Hub Required) $24.99
$2499
current price $24.99YOLINK LoRa Smart Outdoor Contact Sensor, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Range, Alexa, IFTTT, Home Assistant (Hub Required)
4.3 out of 5 stars
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Harris Communications HC-HW-DBSY Loud Alarm - Strobe Doorbell Signaler with Button & Transformer$240.94current price $240.94YoLink LoRa Smart Door Sensor Starter Kit: - 1/4 Mile Open-Air Range, Door Left-Open Reminders,5 Years Battery Life, SMS/Text, Email & App Alerts, Alexa, IFTTT, Home Assistant
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