Filters

Detectors

Shop the best prices on 4,704 great value detectors. Shopping for detectors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Chacon, Fstniceted and more. Buy detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

Home Alarm SystemsSecurity Sensors & RecordersSafesEmergency PreparednessSecurity Lights & MirrorsFire Alarms & Extinguishers
Filters
801 - 832 of 3,200
Tuya Zigbee Water Sensor Flood Water Leakage Detector Water Linkage Alarm Smart Life App Remote Monitoring
$19.95 Save $10.00 RRP: $29.95
Water Pipe Leakage Monitor 4 Gears High Sensitivity Pickup Wall Pipe Leak Detector with Earphone 110‑240V US Plug
$189.00 Save $50.00 RRP: $239.00
UNI-T Portable Non-contact AC Voltage Tester Pen Shaped V～Alert Detector with Sound and Light Alarm and LED Flashlight
$25.95 Save $7.00 RRP: $32.95
Water Sensor,WiFi Water Detector Alarm Leak Detector, for Home with 100dB Adjustable Alarm and App Alerts
$17.95 Save $18.00 RRP: $35.95
PH Chlorine Meter Tester - 2 in 1 Portable Water Quality Tester for Swimming Pools, Spas, and Drinking Water Monitoring
$99.00 Save $50.00 RRP: $149.00
SW743A Halogen Leak Detector for CFC, H-CFC, Ethanol in Automotive Applications, Compact and Easy to Use
$99.00 Save $50.00 RRP: $149.00
2 in 1 Water Quality Tester Kit for Swimming Pools, Hydroponics, Spas, and Drinking Water - PH and CL Measurement Tool
$36.95 Save $22.05 RRP: $59.00
Geiger Counter Dosimeter Pen-Type X Y Beta Ray Detector with Sound Light Alarm OLED Display and Clip Design
$149.00 Save $60.00 RRP: $209.00
2 In 1 Water Quality Tester PH and Chlorine Level Meter for Pools, Spas, Hydroponics, and Drinking Water Analysis
$59.00 Save $130.00 RRP: $189.00
Needle Detector with Sound & Light Alarm for Knitting, Clothing, Footwear, Headwear, Bedding Safety - Easy Operation
$199.00 Save $100.00 RRP: $299.00
120 dB Wired Home Security Alarm Siren, 12V DC Power, High Volume, for Indoor and Outdoor Use
$34.95 Save $18.00 RRP: $52.95
Intelligent WiFi Ball Valve DN20, Automatic Water Shut-off Valve with APP Control, 3 Timing Modes, Leak Alarm for Water and Gas
$489.00 Save $235.00 RRP: $724.00
Window Ajar Alarm Door Ajar Sensor With Adjustable Voice Reminder And Voice Alert For Home Garage
$99.00 Save $50.00 RRP: $149.00
Dishwasher Washing Machine Water Level Sensor Corrosion-Resistant Plastic Pressure Switch Universal Replacement Part
$36.95 Save $22.05 RRP: $59.00
XH M203 Full Automatic Water Level Controller Liquid Level Detection Sensor Module
$16.95 Save $5.00 RRP: $21.95
SNZB-01P Zigbee Wireless Smart Scene Switch DIY Two-Way Switch SOS Button Work with Alexa Ifttt Hu
$20.95 Save $11.00 RRP: $31.95
5 in 1 Salinity Meter PH Water Quality Tester Digital EC TDS TEMP Monitor Rechargeable Test for Aquarium Hydroponic Pool
$42.95
Water Sensor 90dB Alarm Water Leak Detector Alert Monitoring of Leaks and Drip Alarm for Kitchen Bathroom Basemen
$11.95
Water Level Sensor Module for R3 Droplet Detection, Easy Integration for Weather Stations Aquariums
$10.95 Save $2.00 RRP: $12.95
Tuya Smart Wired Zigbee 3.0 Gateway Hub Smart Life APP Automation
$39.95
Coolant Water Temperature Sensor for Acura Accord Integra 37870PJ7003
$13.95 Save $4.00 RRP: $17.95
LC35D01 Automatic Water Level Controller DC12V
$21.95 Save $3.00 RRP: $24.95
ME202W 5M Intelligent Water Tank Level Sensor Meter Tuya Remote WiFi High Accuracy Oil Water Level Meter EU Plug
$389.00 Save $185.00 RRP: $574.00
Water Leak Detector Multi-Functional Sound Detector for Pipe Water Leak Suitable for Leak Detection of Various Pipe
$16.95 Save $7.00 RRP: $23.95
Tuya WIFI Smart Rain Sensor 2-in-1 Rainwater Flood Detector Rainwater Detection for Home Automation
$19.95 Save $9.00 RRP: $28.95
Tuya 2.4G WIFI 433Mhz Wireless Waterproof IP66 4.5cm Water Sensor Tuya App Monitor for 433mhz Wireless Black Brass Valve
$40.95 Save $18.05 RRP: $59.00
WiFi Wireless Smart Water Leakage Sensor Flood Leak Detector Alarm Alert Home Security
$30.95 Save $9.00 RRP: $39.95
Water Pipe Leakage Monitor 70Ddb Sensitivity 20000X Sound Amplification Rechargeable Water Leakage Detector
$59.00 Save $15.00 RRP: $74.00
Water Leakage Detection High Sensitivity Leakage Monitor Sound Adjustment Water Pipe Leak Monitor for Home
$59.00 Save $20.00 RRP: $79.00
Liquid Level Controller Automatic water liquid Control Module Water Level Detection Sensor
$17.95 Save $5.00 RRP: $22.95
Machine Room Isolated Wired Water Leak Flood Alarm Sensor Detector 12V
$36.95 Save $11.00 RRP: $47.95
12V Gas Alarm Sensor LPG Propane Butane Leak Detector Waterproof LED Flash Sound Warning for RV Cam
$17.95 Save $5.00 RRP: $22.95