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Shop the best SALE offers on 390 low price detectors. SAVE on discount and clearance detectors in the Fruugo SALE, with big savings and cheap deals on many brands. Buy detectors online safely in the Fruugo SALE, with secure payment and fast shipping to United States.

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289 - 320 of 390
Water Quality Tester 2In1 pH and Chlorine Test Kit, 03.0 ppm Cl2, Precise Pool Spa Hydroponics Analysis
$64.00 Save $35.00 RRP: $99.00
Pack of 2 Water Quality Tester Chlorine Detector Pool pH Meter Tester
$59.00 Save $30.00 RRP: $89.00
Geiger Counter Dosimeter, PenType X Y ΒRay Detector Personals Dose with Sound Light Alarm
$109.00 Save $40.00 RRP: $149.00
Leak detector, halogen, leak detector, WJL6000, halogen AC leak tester with variable speed adjustment for CFCs, HFCs, and HCFCs
$79.00 Save $40.00 RRP: $119.00
Smart Fingerboot Water Sensor, WiFi, No Hub Required, Smart Light Switch, Wireless, Fingerboat Smart Wireless Finger
$89.00 Save $50.00 RRP: $139.00
Ultrasonic Underwater Ranging and Obstacle Avoidance Sensor Waterproof IP68 Detectionn Sensors for Swimming Pool Robot D Ref: 4385
$54.00 Save $30.00 RRP: $84.00
AC Leak Detector Set, AC Kit HVAC Leakage Tester, Portable Refrigerant Detector, 26Piece Set
$104.00 Save $55.00 RRP: $159.00
1 piece liquid level detection sensor water level monitoring sensor sensor module blue
$22.95 Save $11.00 RRP: $33.95
Water Level Alarm Leakage Monitoring Waterproof Indicator Door Sensor Carbon Monoxide Drip Alarm
$79.00 Save $40.00 RRP: $119.00
Smart home water flow meter, leak flood alarm and leak protection for outdoor garden hose watering
$119.00 Save $60.00 RRP: $179.00
ZigBee TUYA Smart Water Leak Detector, Flood Sensor with Remote Monitoring via Tuya Zigbee Gateway, Water Tank Full Alarm Ref: 1478
$239.00 Save $110.00 RRP: $349.00
Smart home water level sensor for controller leakage flood alarm and swimming pool flow detection system leakage protection
$119.00 Save $60.00 RRP: $179.00
Air Conditioner Leak Detector Complete Set, Flashlight AC Leak Detection Kit Efficient Leak Detector Test Light for Refrigerators Freezers
$59.00 Save $25.00 RRP: $84.00
Water Level Alarm Indoor Water Leak Sensor For Cellar Plastic White, Overflow Protection, High Leakage Detection
$45.95 Save $23.05 RRP: $69.00
2 in 1 Water Quality Tester Dual Scale PH and Chlorine Level CL2 Tester for Pool Water Analysis
$40.95 Save $98.05 RRP: $139.00
Leak Alarm 2-Pack Water Leak Sensor, Moisture Meter For Home Detection, Immersion Sensor For Bathroom, White
$25.95 Save $12.00 RRP: $37.95
Tuya WiFi Door and Window Sensors, Smart Alarm with Notification App, No Hub Required, Works with Alexa, Google Home
$20.95 Save $11.00 RRP: $31.95
Tuya WiFi Smart Water Flood Sensor Water Leak Detector Flood Notification Alarm Overflow Alarm System Smart Life Ref: 2263
$31.95 Save $15.00 RRP: $46.95
Tuya WiFi Water Sensor Leakage Alarm Flood Leak Detector Smart Home Remote Control Smart Home Safety Protection Ref: 3921
$189.00 Save $100.00 RRP: $289.00
2in1 Water Quality Tester, Medical CL2 for Pool and Aquarium
$32.95 Save $16.00 RRP: $48.95
Lint Trap For Home Use, Efficient Mesh Filter, Kitchen, Bathroom And Laundry, Blue Ref: 5437
$13.95 Save $7.00 RRP: $20.95
Water Level Sensor Float Type Liquid Level Switch, Sensor Module For Liquid Level Monitoring, Compact Size
$34.95 Save $19.05 RRP: $54.00
Refrigerator Sensor Temperature Detector 2K Round Head Replacement GE Cold Storage Compatible AP3185407 914093 AH304103
$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
$139.00 Save $60.00 RRP: $199.00
Refrigerant Leak Detector with LED Light, Halogen WJL6000PRO Leak Detector Freon Gas
$64.00 Save $20.00 RRP: $84.00
Refrigerant Leak Detector with Automatic Tracking Function for Easy Use in HVAC Systems and Home Appliances
$47.95 Save $26.05 RRP: $74.00
Water Leak Detector 90dB Audio Alarm Waterproof Leakage Sensor Home Security Wide Application Water Leak Detector with Sensors
$25.95 Save $12.00 RRP: $37.95
Tuya Zigbee Smart Water Leak Sensor Water Overflow Level Detector Security Alarm System Flood Leak Sensor Ref: 3975
$209.00 Save $100.00 RRP: $309.00
2 in 1 Water Quality Tester Kit for Swimming Pools, Hydroponics, Spas, and Drinking Water - PH and CL Measurement Tool
$26.95 Save $13.00 RRP: $39.95
Water Detector Portable Sensor for Quick Leak Detection, Long-Lasting Leakage Monitoring for Water Pipes, Durable Material
$23.95 Save $12.00 RRP: $35.95
Smart Door and Gate Detection System, ZigBee Compatible, Tuya App Notifications, Indoor and Outdoor Use
$74.00 Save $45.00 RRP: $119.00
WiFi Water Leak Detector for Tuya App with 90-110dB Alarm - Intelligent Water Sensor Alarm for Kitchen, Bathroom, Basement (Pack of 3)
$59.00 Save $25.00 RRP: $84.00