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Shop the best prices on 4,649 great value detectors. Shopping for detectors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Chacon, APC and more. Buy detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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321 - 352 of 3,200
Smart WIFI Water Leak Detector 100dB High-Decibel Alarm Remote Real-Time Control Wireless Stereo Sensor for Kitchens
$18.95 Save $10.00 RRP: $28.95
WiFi Water Leak Detectors, Leak and Drip Alert with Tuya APP Push and Sound Alarm Smart Water Sensor
$18.95 Save $10.00 RRP: $28.95
Smart Water Leakage Detector 120dB Overflow Flood Level Leaks Alarm for Home Kitchen Bathroom
$17.95 Save $5.00 RRP: $22.95
Tuya Smart WIFI Water Leak Detector 100dB High-Volume Alarm Real-Time APP Alerts Easy Setup for Home Safety with Alexa
$17.95 Save $11.00 RRP: $28.95
201W Water Tank Level Sensor,Full Water Alarm System Controller, Smartphone Remote Detection Overflow Leak Alert-EU Plug
$79.00 Save $50.00 RRP: $129.00
Smart Water Leakage Alarm 90DB Dual Line Tuya WIFI Water Leak Sensor Detector Flood Alert Overflow Security Alarm System
$18.95 Save $18.00 RRP: $36.95
Tuya WIFI Smart Dual Channel Energy Meter with Buzzer Alarm and App Alarm
$79.00 Save $120.00 RRP: $199.00
12V Gas Alarm Sensor Alarm Propane Butane LPG Natural Motor Home Camper
$50.95 Save $78.05 RRP: $129.00
Pool Residual Chlorine Detector PH Water Quality Tester Measuring Instrument for Swimming Pool
$59.00 Save $45.00 RRP: $104.00
M2 TDS Meter Test Pen Portable Water Quality Tester Detector Meter for Swimming Pool
$15.95 Save $4.00 RRP: $19.95
Water Leakage Detection Alarm Pipes Water Leak Detector Sound Collector Noise Reduction Amplifier F01
$37.95 Save $26.05 RRP: $64.00
Smart Water Leakage Detector for ZigBee Wireless Water Sensor Kitchen Bathroom Sensitive Flood Detector for Tuya
$30.95 Save $23.05 RRP: $54.00
PH CL2 Level Water Quality Tester Professional Portable Chlorine PH Meter for Swimming Pool Spa
$54.00 Save $45.00 RRP: $99.00
4 In1 Water Quality Tester Smart High Accuracy Automatic Data Storage IP67 Waterproof EC Meter for Swimming Pool Laboratory
$37.95 Save $11.00 RRP: $48.95
Tuya WiFi Water Leak Sensor Flood Leakage Detector with Sound Alarm 80dB IP55 WaterProof Water Sens
$19.95 Save $5.00 RRP: $24.95
Tuya Zigbee Water Sensor Flood Water Leakage Detector Water Linkage Alarm Smart Life App Remote Monitoring
$15.95 Save $11.00 RRP: $26.95
PCFS-IR212-55 Floor Scrubber Water Level Sensor IP68 Water Detector
$9.95 Save $6.00 RRP: $15.95
Tuya Smart Zigbee Rain Sensor IP65 Waterproof Rain Detection Water Leak Sensor Real Time APP Monitoring Alert B
$16.95 Save $10.00 RRP: $26.95
Water Level Detector, 2-in-1 Tuya Sensor Alarm Loud Volume APP Alert Monitoring for Swimming Pool Fish Tank Aquarium
$25.95 Save $16.00 RRP: $41.95
Tuya Smart Life WiFi Energy Meter Bidirectional 2Channel With 80A CT
$51.95 Save $32.05 RRP: $84.00
Tuya Zigbee Water Sensor Water Detector for Home Remote Alarm
$24.95 Save $16.00 RRP: $40.95
Tuya WiFi Smart USB Sirene Alarm Sensor Sound & Light Alarm
$25.95 Save $17.00 RRP: $42.95
1P Tuya App Wifi Circuit Breaker Interruptor Smart Life Timer Voice
$74.00 Save $55.00 RRP: $129.00
Zigbee Water Sensor Water Detector for Home Remote Alarm
$29.95 Save $19.00 RRP: $48.95
Tuya WiFi Water Immersion Alarm Water Leak Detector Intelligent Life APP Remote Control Support for Alexa
$18.95 Save $13.00 RRP: $31.95
Waveshare Water Level Sensor Module Water Level Alarm Droplet Sensor Water Rise Detection
$10.95 Save $6.00 RRP: $16.95
2P Tuya App Wifi Circuit Breaker Interruptor Smart Life Timer Voice
$84.00 Save $55.00 RRP: $139.00
Tuya WiFi Smart Water Flood Sensor Water Leak Detector
$20.95 Save $14.00 RRP: $34.95
Chlorine Testing Pen 5 in 1 Water Quality Tester
$34.95 Save $24.05 RRP: $59.00
Zigbee Water Leak Detector for EWelink Zigbee Water Detector APP Remote Control Water Sensor for Kitchens Basements
$11.95 Save $7.00 RRP: $18.95
Tuya ZigBee Smart Rain Sensor 2-in-1 Rainwater Flood Detector Rainwater Detection for Home Automati
$16.95 Save $3.00 RRP: $19.95
5-in-1 Bluetooth Water Quality Tester TDS, PH, Salinity, Temp
$36.95