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Shop the best prices on 6,346 great value detectors. Shopping for detectors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Other, Viewleaf and more. Buy detectors online safely with Fruugo, 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
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
Water Leakage Detector Kit High Sensitivity Water Pipe Leakage Monitor Tester with Earphone Headphone for Home 100240V EU Plug
$79.00 Save $25.00 RRP: $104.00
1080P Tuya Smart Life Home Digital Viewer Peepholes EU PLUG Silver
$69.00 Save $5.00 RRP: $74.00
Tuya Smart Smoke Detector with WiFi & Bluetooth, Temperature & Humidity Monitoring 80dB Alarm, Remo
$99.00
Smart Water Leak Detector with Dual Alarm System for Home Basement and Under Sink Protection
$20.95 Save $10.00 RRP: $30.95
Soil sensor temperature humidity PH value salt RS485 detector
$104.00 Save $15.00 RRP: $119.00
6 in 1 smart water detector with Bluetooth for pH and chlorine
$84.00
USB Professional Water Pipe Leakage Detector Water Pipeline Leak Detector Plumbing Engineering Leak Detection Device EU Plug 100‑240V
$79.00 Save $20.00 RRP: $99.00
Water Level Indicator Alarm Water Level Alarm Sensor Waterline Indicating Alarm Low or High Water Level Sensor Alarm with Silencer Switch
$94.00 Save $45.00 RRP: $139.00
Tuya Zigbee Smart Light Sensor Illuminance Brightness Detection Home Automation Smart Home Detector APP Control
$23.95 Save $7.00 RRP: $30.95
Multifunctional leak detector/sound recorder, suitable for leak detection in various building pipes.
$34.95 Save $124.05 RRP: $159.00
Water Level Indicator Alarm High Water Level Alarm Sensor Waterline Indicating Alarm with Silencer Switch
$104.00 Save $65.00 RRP: $169.00
3-in-1 TDS Water Quality Tester High Accuracy Digital Water Testing Kit for Drink Water Water Tester Integrated
$11.95
Tuya Smart Zigbee Rain Sensor IP65 Waterproof Rain Detection Water Leak Sensor Real Time APP Monitoring Alert B
$15.95 Save $7.00 RRP: $22.95
Temperature Humidity Sensors Indoor Detector App Real-time Monitoring
$24.95
Magnetic holder for smoke detector, Pack of 3, Ø 70 mm, Self-adhe
$25.95 Save $13.00 RRP: $38.95
Water Leak Detector with Loud Alarm for Basement Kitchen Bathroom Flood and Overflow Protection
$26.95 Save $13.00 RRP: $39.95
Innovative Wireless Water Leak Detection Device Instant Operation Size Specifications Home Use
$34.95 Save $17.00 RRP: $51.95
Intelligente Lichtdetektionsvorrichtung Smart Light Detection Device Home Automation Form Factor ABS Light Detectors
$48.95 Save $25.05 RRP: $74.00
Tür Öffnungsalarm Smart Door Sensor Compact Wireless Door Opening Alarm With Voice Alert For Home Office School White
$28.95 Save $14.00 RRP: $42.95
Flood Protection Barrier Red 2pcs ABS LType Waterproof Flood Gate for Subway and Shopping Center
$1,849.00 Save $900.00 RRP: $2,749.00
DF - 96d Automatic Water Level Controller Switch 20A 220V Water Tank Level Detection Sensor Water Pump Controller Level Switch Relay (Without Switch)
$43.95 Save $75.05 RRP: $119.00
6in1 pH Monitor Salt TDS EC Water Quality Tester for Aquariums YYW9909EU
$179.00 Save $80.00 RRP: $259.00
Water Leak Detection Probe Stainless Steel Liquid Level Sensor for Home and Industrial Monitoring
$24.95 Save $12.00 RRP: $36.95
Wireless Ultrasonic Water Tank Liquid Level Meter with Temperature Sensor Water Level Time Display L
$104.00 Save $65.00 RRP: $169.00
Water Pipe Leak Detector Sensor Water Pipe Tube Leakage Monitor Tester Kit with Dual Probes Earphone EU Plug
$74.00 Save $45.00 RRP: $119.00
Colorful LED Water Faucet with 3 Changing Colors Water Temperature Sensor Temperature Control Water Spray Faucet for Kitchen and Bathrooms
$25.95 Save $12.00 RRP: $37.95
Tuya Wifi Water / Gas Valve Timer Garden Smart Home Faucet For Water Smart Life App
$89.00 Save $50.00 RRP: $139.00
Zigbee 3.0 Wireless Temperature Sensor Tuya And Smart Life App Control Temperature And Humidity Sen
$46.95 Save $12.05 RRP: $59.00
Wifi Temperature Switch 16a Tuya Smart Rf433 Intelligent Thermostat Ds18b20 Temperature Sensor Waterproof Real-time Monitor
$45.95 Save $8.05 RRP: $54.00
Water Alarm Sensor, WiFi Water Leak Detector, Overflow Flood Leakage Alerts, Remote Monitor
$34.95 Save $7.00 RRP: $41.95