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Shop the best prices on 5,490 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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193 - 224 of 3,200
Wireless Water Depth Monitor Water Level Sensor Transmitter With 4.3-Inch LCD Screen Solar-Powered Rechargeable Battery
$229.00 Save $120.00 RRP: $349.00
ZigBee TUYA Smart Water Leak Detector - Remote Monitoring With Tuya Zigbee Gateway, Flood Sensor, Water Tank Full Alarm
$30.95 Save $16.00 RRP: $46.95
Smart Home Water Flow Meter with Leak Flood Alarm, Outdoor Garden Hose Protection, Wireless Connectivity, Easy Installation
$159.00 Save $80.00 RRP: $239.00
Infrared Beam Sensor for Gates, Doors & Window - External Alarm Detector
$14.95 Save $9.00 RRP: $23.95
2PCS PCFS-IR212-55 Floor Scrubber Water Level Sensor IP68 Water Detector High Precision Measurement
$9.95 Save $54.05 RRP: $64.00
6X Home Alarm Water Leakage Spot Alarm Detector Water Leak Sensor Detection Flood Alert Overflow
$27.95 Save $21.00 RRP: $48.95
2Pcs Tuya Smart Wifi Rain Sensor Real-Time Rainwater Detector
$31.95 Save $7.00 RRP: $38.95
Sensor for Pressure Flexible Thin Film Smart Life APP Length 40cm
$50.95 Save $8.05 RRP: $59.00
WiFi Remote Ultrasonic Real Time Water Level Sensor Monitor (EU)
$79.00 Save $20.00 RRP: $99.00
3P Tuya App Wifi Circuit Breaker Interruptor Smart Life Timer Voice
$89.00 Save $30.00 RRP: $119.00
F999R WaterPipe Leak Detector for Water Pipe Tube Water Leakage Gold
$289.00 Save $90.00 RRP: $379.00
Soil sensor temperature humidity PH value salt RS485 detector
$109.00 Save $40.00 RRP: $149.00
Zigbee Temperature Sensor for Tuya APP, Animal Breeding Use
$30.95 Save $7.00 RRP: $37.95
Water Leak Detector Multi-Functional Sound Detector for Pipe Water Leak Suitable for Leak Detection of Various Pipe
$21.95 Save $5.00 RRP: $26.95
Soil sensor temperature humidity PH value salt RS485 detector
$129.00 Save $40.00 RRP: $169.00
Tuya Smart WiFi Water Valve with Water Flow Rate UK Plug
$239.00 Save $90.00 RRP: $329.00
Water Pipe Leak Detector Sensor with Dual Probes Earphone EU Plug
$52.95 Save $11.05 RRP: $64.00
Tuya Zigbee water sensor flood detector
$20.95 Save $4.00 RRP: $24.95
ZigBee TUYA Smart Water Leak Detector,Flood Sensor, Remote Monitoring
$18.95 Save $3.00 RRP: $21.95
3pcs 433MHz Wireless Vibration Glass Break Detector, Black
$24.95 Save $5.00 RRP: $29.95
Portable Water Leakage Detector Alarms Rechargeable Detection Tool
$21.95 Save $4.00 RRP: $25.95
Overflow Water Immersion Alarm Detector Leak Alarm Water Level Overflow Detector Sensor Alarm
$8.95 Save $5.00 RRP: $13.95
Water Sensor,WiFi Water Detector Alarm Leak Detector, for Home with 100dB Adjustable Alarm and App Alerts
$19.95 Save $6.00 RRP: $25.95
201W Water Tank Level Sensor,Full Water Alarm System Controller, Smartphone Remote Detection Overflow Leak Alert-EU Plug
$74.00 Save $10.00 RRP: $84.00
400ML Automatic Soap Dispenser, Infrared Sensor, 4 Adjustable Modes, Waterproof, Ideal for Home, Kitchen, Bathroom
$26.95 Save $11.00 RRP: $37.95
Water Level Sensor Module for R3 Droplet Detection, Easy Integration for Weather Stations Aquariums
$10.95 Save $2.00 RRP: $12.95
Tuya Smart Water Vavle WiFi Water Stop Check Valve Water Leak Sensor Shut Off Remote Control Timer for Alexa EU PLUG
$59.00 Save $10.00 RRP: $69.00
Water Level Detector, 2-in-1 Tuya Sensor Alarm Loud Volume APP Alert Monitoring for Swimming Pool F
$27.95 Save $5.00 RRP: $32.95
Tuya Zigbee Leak Sensor Water Leakage Detector Leakage Sensor Water Sensor Prevent Water Leakage for Smart Home
$30.95
Tuya Smart WiFi Water Leak Detector Wireless Flood Alarm Sensor with Real-Time App Alerts for / Home
$21.95
Tuya Fire Smoke Detector Sensor WiFi Smart Home Security for Room Kitchen Shop Fire Sound Alarm Sensor A
$25.95 Save $8.00 RRP: $33.95
Tuya Smart WiFi Infrared Detector, Intelligent Monitoring, Safeguard Your Home Security,for and
$21.95