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Shop the best SALE offers on 4,064 low price detectors. SAVE on discount and clearance detectors in the Fruugo SALE, with big savings and cheap deals on GreenZech, Viewleaf, Zhiyi and more. Buy detectors online safely in the Fruugo SALE, with secure payment and fast shipping to Canada.

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1 - 32 of 3,200
Tuya Smart WiFi Smoke Detector, Smart Controlled Sensor Real-Time Monitoring, Remote Alarm Notification
$21.95 Save $2.00 RRP: $23.95
High Sensitive Leak Detector Loud Water Leak Alarm without Battery for Basement Apartment Kitchen Bathroom (White)
$15.95 Save $48.05 RRP: $64.00
Ultrasonic Wireless Water Tank Liquid Level Meter with Temperature Sensor Level Monitor Time Display Low Battery Alarm
$84.00 Save $25.00 RRP: $109.00
Water Leak Detector Multi-Functional Sound Detector for Pipe Water Leak Suitable for Leak Detection of Various Pipe
$13.95 Save $7.00 RRP: $20.95
Indicateur de niveau d'eau Alarme de niveau d'eau élevé Capteur d'alarme indiquant la ligne de flottaison avec interrupteur silencieux
$119.00 Save $30.00 RRP: $149.00
Water Level Indicator Alarm Water Level Alarm Sensor Waterline Indicating Alarm Low Or High Water Level Sensor Alarm With Silencer Switch
$104.00 Save $55.00 RRP: $159.00
Wired Type Leakage Alarm Detector Water Sensor with 3.5mm Jack
$10.95 Save $5.00 RRP: $15.95
Zigbee Smart Vibration Sensor Detection Tuya Smart Life APP Notification Real-Time Motion Vibration Alarm Smart Home
$15.95 Save $5.00 RRP: $20.95
WiFi Smart Temperature and Humidity Switch with 1M Sensor 16A Temperature Humidity Switch Supports
$20.95 Save $38.05 RRP: $59.00
Capacitive Water Level Sensor NonContact Detector for Water Dispenser with Shortage Alarm
$22.95 Save $11.00 RRP: $33.95
Feature: 1. Widely Used: Water pipe leakage monitor is practical and suitable for leakage detection
$59.00 Save $20.00 RRP: $79.00
Water Pipe Leakage Monitor ‑70Ddb Sensitivity 20000X Sound Amplification Rechargeable Water Leakage
$64.00 Save $20.00 RRP: $84.00
90 dB Household Wireless Water Leak Detector Sensor Water Leakage Alarm for Home Kitchen Toilet
$21.95 Save $6.00 RRP: $27.95
NEW 100pcs 30x9mm Liquid Detection Label Water Sensitive Sticker Turn Red/Blue When Got Wet Device Potential Damage Indicator
$51.95 Save $12.05 RRP: $64.00
Alarm Sensor Single Brass Ball Valve DualWay Water Leaking Detection System Kit
$109.00 Save $40.00 RRP: $149.00
61359234087 61359218702 for 528i 535i 550i F01 F02 F10 E70 2011-2016 Car WINDSHIELD RAIN SENSOR MODU
$43.95 Save $20.05 RRP: $64.00
Water Level Sensor Alarm APP Remote Control ABS Smart Water Flooding Alarm Detector for Toilet
$28.95 Save $8.00 RRP: $36.95
120dB Water Leakege Sensor Overflow Level Alarm Rain Detection for Bathroom Kitchen Basement Garage
$16.95 Save $6.00 RRP: $22.95
Smart Water Leakage Detector for ZigBee Wireless Water Sensor Kitchen Bathroom Sensitive Flood Detector for Tuya
$26.95 Save $7.00 RRP: $33.95
Tuya Smart Zigbee Rain Sensor IP65 Waterproof Rain Detection Water Leak Sensor Real Time APP Monitoring Alert B
$18.95 Save $12.00 RRP: $30.95
Water Quality Tester 5 In 1 PH Salt TDS EC Temperature Meter for Swimming Pool Drinking Water Aquariums High Accuracy Multi Display
$43.95 Save $15.05 RRP: $59.00
TLC2206 Wireless Wifi Tuya Tank Level Monitor Mobile Liquid Level Sensor Water Detector WaterproofIP67 LevelMonitor(AU)
$74.00 Save $55.00 RRP: $129.00
ME201W Remote Tank Level Detection Smartphone Full Water Alarm System Controller for Water Level Sensor EU Plug
$69.00 Save $30.00 RRP: $99.00
Capteur de niveau d'eau intelligent, alarme anti-inondation, télécommande par application, ABS, pour toilettes
$31.95 Save $9.00 RRP: $40.95
Tuya ZigBee Smart Water Sensor Water Leak Detector Alarm APP Remote Control Water Leak Sensor Water
$13.95 Save $3.00 RRP: $16.95
Tuya Zigbee Solar Sunlight and Rainwater Sensor 2 in 1 Rainfall Sunshine Weather Detection Sensor for Home Smart Life
$40.95 Save $12.00 RRP: $52.95
Wi-Fi Smart Heat Detector with Tuya App Control, WiFi Heat Alarm with Sealed 10-Year Li-Battery, BS 5446-2, VH03W
$38.95 Save $12.00 RRP: $50.95
Wired Water Immersion Sensor Water Level Overflow Alarm Leak Detector Switch Probe for Home House Security Alarm System
$14.95 Save $4.00 RRP: $18.95
BME680 Temperature and Humidity Atmospheric Pressure Detection Sensor
$22.95 Save $4.00 RRP: $26.95
High Sensitivity Water Leak Detector Battery Operated Phone Monitoring Compact Flood Alarm for ZIGBEE
$21.95 Save $6.00 RRP: $27.95
Fully Automatic Water Level Controller Switch 25A 220V Water Tank Liquid Level Detection Sensor Wate
$20.95 Save $21.00 RRP: $41.95
Swimming Pool Water Quality Tester 2 in 1 PH CL2 Detector with Display Screen for Spa Aquarium Hydroponics White
$50.95 Save $43.05 RRP: $94.00