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Shop the best prices on 5,444 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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449 - 480 of 3,200
Tuya Smart Wireless Soil Sensor Smart Soil Health Monitor for Smart Gardening & Agriculture
$43.95 Save $8.00 RRP: $51.95
Tuya Human Presence Detector FP1 ZigBee 3.0 Smart Human Body Presence Motion Sensor for Home Automat
$109.00 Save $40.00 RRP: $149.00
201W Water Tank Level Sensor,Full Water Alarm System Controller, Smartphone Remote Detection Overflow Leak Alert-EU Plug
$84.00 Save $20.00 RRP: $104.00
LC35D01 Automatic Water Level Controller Automatically Start and Stop the Water Pump Liquid Level C
$21.95 Save $4.00 RRP: $25.95
Water Quality Tester for pH and Chlorine Monitoring - Portable Spa and Pool Test Kit, User-Friendly Design
$36.95
Automatic Water Level Controller with Stainless Steel Induction Probe Sensor for Reliable Water Level Monitoring and Management
$43.95 Save $20.05 RRP: $64.00
Test Pen Intelligent Sound And Light Alarm Sensor For Neutral And Live Wire Detection, Voltage Detector, Wire Tester
$20.95 Save $10.00 RRP: $30.95
Water Alarm Sensor for Home - Sensitive Leak Detector for Basements, Aquariums, Water Tanks, Alarm Monitoring System
$39.95 Save $19.05 RRP: $59.00
High-Precision Water Leak Sensor 2-Pack, Liquid Level Detector with Instant Alarm, Compatible with Multiple Alarm Systems, White
$20.95 Save $10.00 RRP: $30.95
12W Black WiFi Smart Water Valve with Remote Control and Water Leakage Alarm for Kitchen and Bathroom Use
$59.00 Save $25.00 RRP: $84.00
High Precision Water Level Sensor - 5m Cable Stainless Steel Liquid Level Detector for Water Tank Monitoring YB2JF
$119.00 Save $60.00 RRP: $179.00
Water Sensor Highly Sensitive Flood Alarm for Basement and Bathroom - Battery-Free, Low Power Consumption, Sound Alert
$28.95 Save $15.00 RRP: $43.95
Water Quality Tester for Swimming Pool - White Portable Water Testing Device with Easy Read Value Tester Tool
$47.95 Save $16.05 RRP: $64.00
2 in 1 Solar Light and Rain Sensor IPX6 Waterproof Tuya Smart Zigbee Wireless Outdoor Sensor
$59.00 Save $30.00 RRP: $89.00
Waterproof Leak Sensor for Water Leak Alarm, Efficient Water Level Monitoring for Bathroom and Basement, Instant Leak Alerts
$24.95 Save $13.00 RRP: $37.95
WiFi Rain Sensor Tuya IP65 Outdoor Waterproof Rain Detection Water Leak Sensor Real Time APP Monitoring Alert White
$15.95 Save $15.00 RRP: $30.95
Water Sensor Leak Detector Water Flood Sensor Smart Life App Remote Monitoring Water Leakage Detector
$22.95 Save $61.05 RRP: $84.00
Water Quality Tester ，4 Pcs Tds Meter Water Quality Tester Filter Pen Testing Water Quality For Drinking Water /swimming -
$46.95 Save $32.05 RRP: $79.00
Tuya Water Sensor Alarm Water Leak Detector Flood Alert Overflow Security Alarm System Works
$11.95 Save $9.00 RRP: $20.95
Ewelink Zigbee Water Sensor Water Detector for Home Remote Alarm
$27.95 Save $22.00 RRP: $49.95
Chlorine Testing Pen 2-in-1 Water Quality Tester Measuring
$28.95 Save $17.00 RRP: $45.95
Advanced Solar Energy Rain Sensor for Wireless Outdoor Rain Detection Water Leak Sensor Linkage Cont
$52.95 Save $51.05 RRP: $104.00
5 Pcs Car Water Temperature Sensor 89422-87102 8942287102 for Toyota New High Quality Auto Parts
$25.95 Save $23.00 RRP: $48.95
Temperature Sensor for Sundance Spa for Hot Tubs Temp Sensor Outdoor Pool Accessories
$18.95 Save $16.00 RRP: $34.95
Tuya APP Temperature Sensor Seedling Fermentation Animal Breeding Zigbee Temperature Detection Alarm
$30.95 Save $28.05 RRP: $59.00
IP67 Water Immersing Sensor Tuya Zigbee Flood Water Leak Detector
$46.95 Save $37.05 RRP: $84.00
Ice Machine Water Level Float Sensor Water Level Control Switch
$15.95 Save $9.00 RRP: $24.95
5X Water Leakage Alarm Detector with Wired Sensor 1 Meter Cable Water Level Sensor Probe Dual Metal Poles
$13.95
Smart Knob Switch Tuya ZigBee Wireless Button for Home Automation, Scene Creation Via Smart Life Ap
$17.95 Save $4.00 RRP: $21.95
Tuya ZigBee Water Level Detector Ultrasonic Smart Tank Monitor with Real-Time Alerts & APP Remote C
$74.00 Save $15.00 RRP: $89.00
Drum Washing Machine Drying Sensor, Water Temperature Sensor, Suitable for DC90-10128N
$14.95 Save $8.00 RRP: $22.95
Pack of 4 Water Quality Testers for Pool Water pH Meter Tester for Pool Chlorine Meter pH Meter Tester for Pools PH Detector for Water ABS
$189.00 Save $90.00 RRP: $279.00