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Shop the best prices on 435 great value detectors. Shopping for detectors is easy with Fruugo, with SALE discounts, offers and savings on Smartwares, Fstniceted, Alecto and more. Buy detectors online safely with Fruugo, with secure payment and fast shipping to United States.

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257 - 288 of 435
Water Quality Tester Habicare
$17.95
O3 Ozone Meter, Air Detector, Intellinter Sensor, Home/Kitchen
$139.00 Save $60.00 RRP: $199.00
Water Leak Alarm Water Immersion Sensor for Home RealTime Leak Control via Mobile App for Kitchen Bathroom Cellar
$24.95 Save $13.00 RRP: $37.95
Water Detector Universal Water Detector for Cars, Radiator Leak Pressure Tester, Tool Measuring Device
$119.00 Save $50.00 RRP: $169.00
A22 ultrasonic sensor water level detection AGV obstacle avoidance RS485 PWM
$84.00 Save $35.00 RRP: $119.00
Smart WiFi Water Leak Detector, Household Flood Sensor with App Notifications for Kitchen, Bathroom, Pool, Remote Monitoring, White ABS, 85x40x25mm
$329.00 Save $160.00 RRP: $489.00
Flood Sensor Water Leak Detector White Pack of 3
$30.95 Save $16.00 RRP: $46.95
Water Leak Detector White, Bathroom Water Sensor Alarm, Leak Monitoring Device, Compatible With Alarm Sensors
$17.95 Save $9.00 RRP: $26.95
Water Quality Tester 4-Pack - Electronic pH & Chlorine Tester For Pools And Swimming Pool Water Detector ABS Plastic
$129.00 Save $60.00 RRP: $189.00
WLAN Water Sensor With Alarm Function, Home Overflow Detection, Intelligent Leakage Sensor With App Control, No Battery
$459.00 Save $240.00 RRP: $699.00
Water Quality Tester For Pools One Piece White Pool Water Testing Meter
$33.95
Water Detector Alexa Compatible, Wireless External Sensor, App Control, 2-Year Battery Life, Tuya Moisture Detector
$21.95 Save $11.00 RRP: $32.95
Wireless Vibration Alarm 120dB Portable Window Alarm Sensor For Home Security
$16.95 Save $8.00 RRP: $24.95
ZigBee Flood Sensor Water Leak Detector with App Remote Control for Water Tank Full and Overflow Alarm
$23.95 Save $12.00 RRP: $35.95
WiFi Water Sensor Leakage Alarm Smart Home Flood Detector Remote Control Security System WiFi Compatible
$279.00 Save $130.00 RRP: $409.00
Home Control Water Alarm - Set of 2 WiFi Water Detectors with External Sensor, App Compatibility, 2-Year Battery Life
$159.00 Save $80.00 RRP: $239.00
6in1 pH Monitor Salt TDS EC Water Quality Tester for Aquariums YYW9909EU
$129.00 Save $60.00 RRP: $189.00
12V Relay Output Water Leak Alarm, Household Water Leak and Overflow Detector, Water Level Alarm, RealTime Water Leak Detection Device
$20.95 Save $10.00 RRP: $30.95
Leak Detector for Car Water Tanks - Accurate Pressure Testing Tool Set for Vehicle Coolers, Durable and Versatile Use
$29.95 Save $14.00 RRP: $43.95
Electronic Vibration Noise Detector with RGB Light Display 8 Speed Modes Rechargeable Sound Sensor 2K HD Microphone
$19.95 Save $9.00 RRP: $28.95
Wartungssensoren Für Geschirrspüler - Korrosionsresistente Automatische Wasserspiegel Druckschalter, Kunststoff, Waschmaschinenkompatibel
$14.95 Save $7.00 RRP: $21.95
1 Piece Water Quality Tester for Swimming Pool PH and Chlorine without Battery
$25.95 Save $13.00 RRP: $38.95
Leakage Tester High Sensitivity Leak Analyzer Leakage Detector with Sound and Light Alarm System
$74.00 Save $35.00 RRP: $109.00
4098-9613 - Fixed Temperature 135F Rate of Rise Heat Detector
$21.95 Save $10.00 RRP: $31.95
Dishwasher, washing machine, water level sensors, corrosionresistant plastic pressure switches Ref: 2165
$26.95 Save $13.00 RRP: $39.95
Tuya WiFi Door sensor Build-in buzzle wireless Magnetic window detector Magnet switch open alarm smart life App Alexa Google
$36.95
PH Chlorine Meter Tester 2 in 1 Portable Water Quality Tester for Swimming Pools, Spas, and Drinking Water
$74.00 Save $35.00 RRP: $109.00
Precise liquid level meter for water consumption for easy use.
$89.00 Save $50.00 RRP: $139.00
Ultrasonic Level Sensor 15 m Water Level Monitor for Liquid Level High Alarm Solar Powered Water Sensor Indoor Temperature Monitoring ABS Material
$119.00 Save $50.00 RRP: $169.00
Water Quality Tester for Swimming Pool and Drinking Water – pH and Chlorine Measurement, No Battery Required, Accurate Monitoring
$25.95
Water Quality Tester Portable pH and Chlorine Detector Two-In-One Design for Pool and Spa
$43.95
Test Pen Intelligent Sound and Light Alarm Sensor Neutral and Live Wire Detection Ref: 8289
$14.95 Save $7.00 RRP: $21.95