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Shop the best prices on 5,511 great value detectors. Shopping for detectors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Viewleaf, Chacon and more. Buy detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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129 - 160 of 3,200
Water Level Detector, 2-in-1 Tuya Sensor Alarm Loud Volume APP Alert Monitoring for Swimming Pool Fish Tank Aquarium
$26.95
2pcs Water Level Switch Sensor Controller for Automatic Water Tank Pumping DIY Kit
$16.95
Tuya Water Leakage Sensor 433MHz Security Flood Detector Flood Sensor Wireless Detector Smart Home Security Alarm
$15.95
201W Water Tank Level Sensor,Full Water Alarm System Controller, Smartphone Remote Detection Overflow Leak Alert-EU Plug
$79.00
Tuya 2.4GWifi Water Leak Detector with Sound Light Alarms 130DB Water Leak Smart Home Water-Alarm Sensor App Control
$23.95
Tuya Smart WIFI Water Leak Detector 100dB High-Volume Alarm Real-Time APP Alerts Easy Setup for with
$26.95
Smart Wifi Wireless Water Leakage Alarm Overflow Flood Level Leaks Detection Notifications Work with Tuya
$28.95 Save $23.00 RRP: $51.95
PH CL2 Chlorine Tester Dual Probe Large Display Screen Battery Powered Digital Water Quality Tester for Home Swimming Pool Spa Aquarium
$42.95 Save $36.05 RRP: $79.00
433MHz Wireless Vibration Alarm Sensor Door Window Detector for Home Security Burglar System
$14.95 Save $11.00 RRP: $25.95
Water Chlorine and PH Meter Large Screen Battery Powered Portable Water Quality Tester with Probe for Swimming Pool Spa
$51.95 Save $42.05 RRP: $94.00
For Tuya Wifi Water Leakage Detector Overflow Flooding Alarm for Amazon for Google Home
$26.95 Save $22.00 RRP: $48.95
Total Dissolved Solids Meter Water Quality Tester 0 to 4999ppm Temperature Compensation Auto Water Testing Pen for Field Operation
$26.95 Save $16.00 RRP: $42.95
GY-6D PCB HTN Sound-light Alarm Battery Capacity Monitor Indicator Display 12-84V (White Light)
$17.95 Save $15.00 RRP: $32.95
Water Leak Alarm Liquid Leakage Detector Sound Alarm Sensor Home Security
$25.95 Save $20.00 RRP: $45.95
Tuya Zigbee Ultrasonic Liquid Level Water Tank Monitor Sensor with Real-Time Alarm Notification APP
$74.00 Save $20.00 RRP: $94.00
3X Tuya Zigbee Water Level Sensor Smart Water Leakage Alarm Detector Overflow Security Protection Things Tuya EWeLink
$38.95 Save $20.05 RRP: $59.00
3X Tuya Zigbee Water Level Sensor Smart Water Leakage Alarm Detector Overflow Security Protection Things Tuya EWeLink
$37.95 Save $21.05 RRP: $59.00
Sonoff Waterproof Ds18b20 Temperature Sensor?home Automation
$59.00
Smart Rain Sensor with Solar Charging - Real-Time Water-Resistant Rainwater Detector with App Alerts for Zigbee & Tuya Compatibility
$41.95
Flood Protection Barrier for Home Doors, Quick Expand Water Absorbent Barrier, No Sand Needed Emergency Flood Defense
$30.95
360-Degree Rotatable LED Light Water Faucet Attachment for Kitchen and Bathroom Sinks with Temperature Sensor
$44.95
Smart WiFi Water Leak Sensor with Low Level Alarm, 100dB Loud Alert, Tuya Remote Control for Home Safety
$40.95
Water Level Alarm for Aquariums - Waterproof Water Detector with Probe Splitter Cable Suitable for Fish Tanks
$29.95
2pcs water leak detector - 95 decibel flood detection alarm sensor for bathrooms and laundry rooms
$50.95
Wartungssensoren Für Geschirrspüler - Korrosionsresistente Automatische Wasserspiegel Druckschalter, Kunststoff, Waschmaschinenkompatibel
$20.95 Save $10.00 RRP: $30.95
5X HY929 Standalone Pipe Water Leakage Detector Hear Through Wall High Strength Water Pipe Leakage Detector for Repair
$209.00
Water Level Indicator Alarm Water Level Alarm Sensor Waterline Indicating Alarm Low Or High Water
$139.00 Save $50.00 RRP: $189.00
Water Overflow Leakage Alarm Sensor Detector with 90dB Audio Alarm, Waterproof Leak Detection for Home Kitchen Security
$269.00 Save $130.00 RRP: $399.00
2 Pieces Wi-Fi Water Leak Detector, 130dB Smart Flood Detector, Water Detector Wireless Water Alarm Sensor, Smart Life APP Smartphone Push Notificatio
$49.95 Save $24.05 RRP: $74.00
YFD21 Indoor Water Leakage Detector: IP67 Waterproof, Mobile App Alerts, Durable Design
$43.95
2Pcs Tuya Smart Wifi Rain Sensor Real-Time Rainwater Detector Smart Life App Controlled for House Outdoor
$32.95 Save $19.00 RRP: $51.95
Tuya ZigBee Smart Rain Detection Sensor Water Leakage Flood Detector Wireless Outdoor IPX4 Waterproof Battery Powered
$22.95 Save $13.00 RRP: $35.95