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Shop the best prices on 434 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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1 - 32 of 434
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 $60.00 RRP: $179.00
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
$44.95
Wireless Temperature Sensor for Humidity Monitoring - Smart Digital Hygrometer with App Notifications and WiFi Data Export
$22.95
Home Control Water Detector Set of 3 WiFi Water Sensors with External Sensor App and 2-Year Battery Life for Alexa Notifications
$54.00 Save $25.00 RRP: $79.00
Water Alarm Detector, Water Leak Sensor, Alarm for Cellar, Flood Sensor
$25.95 Save $12.00 RRP: $37.95
Tuya Smart WiFi Ultrasonic Water Tank Level Monitor Sensor EU Plug
$119.00
Wasserleckdetektor WLAN mit 130 dB Alarm, App-Überwachung, kabellos für Küche und Badezimmer
$25.95 Save $12.00 RRP: $37.95
Flood Sensor Moisture Meter Leakage Water Leak Sensor Spray Gun Liquid Water Leak Detector Water Leak Detector Water Alarm Leak Alarm White Pack of 3
$39.95 Save $19.05 RRP: $59.00
Smoke Detector Alecto Alecto
$84.00
Smoke Detector Smartwares FWA-18210 Smartwares
$26.95
Water Leak Detector Fischer 564126 Fischer
$159.00
Smoke Detector Smartwares 10.100.41 (4 Units) Smartwares
$35.95
Smoke Detector Smartwares FSM-12601 Smartwares
$43.95
Soil Meter PC102 2-in-1 pH Chlorine Tester for Pool Aquarium Garden Farm Water Quality Measurement
$36.95 Save $22.05 RRP: $59.00
Tuya WiFi Water Leak Sensor With Flood Detector 2.4GHz Tuya Compatible App Alerts Smart Home Security
$22.95 Save $11.00 RRP: $33.95
Automatic Water Filling Control Automatic Water Filling System Water Level Controller Aquarium Adjustable Valve Installation For Pet Materials
$22.95 Save $11.00 RRP: $33.95
Water leak detector kitchen basement moisture overflow alarm sensor wallmounted detection emergency alarm protection
$22.95 Save $11.00 RRP: $33.95
Test Pen Intelligent Sound and Light Alarm Sensor Neutral and Live Wire Detection Ref: 8289
$14.95 Save $8.00 RRP: $22.95
Air Quality Monitor, Portable, Clear Display, Accurate Detection, Ideal for Home
$31.95 Save $15.00 RRP: $46.95
Halogen Leak Detector for Air Conditioning Systems with Battery Indicator and Alarm
$47.95 Save $26.05 RRP: $74.00
AC Leak Detector Set, AC Kit HVAC Leakage Tester, Portable Refrigerant Detector, 26Piece Set
$104.00 Save $55.00 RRP: $159.00
Smoke Detector Smartwares 10.025.28 Smartwares
$28.95
Water Quality Tester, Automatic Residual Chlorine Tester Ph Water Tester Ph Chlorine Analysis
$33.95
Floating Pool Temperature Sensor - Accurate Baby Bath Thermometer, Light Purple Fish Design for Spa, Whirlpool, and Aquarium Use
$27.95 Save $8.00 RRP: $35.95
Halogen Leak Detector, Precision Halogen Leak Detection Device for Automotive and Home Use, Portable Monitor with Sensitive Sensor
$69.00 Save $30.00 RRP: $99.00
Smart Posture Corrector for Kids and Adults, Adjustable Soft Back Straightener with Smart Sensor Vibration Reminder
$20.95 Save $11.00 RRP: $31.95
Water leak sensor, leak detector for home, sensitive water sensor, water alarm device
$22.95 Save $11.00 RRP: $33.95
Water Alarm Sensor, Tuya for Zigbee Real Time Overflow Leak Alarm Wireless Flood Leak Detector for Kitchen Bathroom Basement
$189.00 Save $100.00 RRP: $289.00
Wireless Water Leak Detector, Smart Alarm for Home and Kitchen, Zigbee Leak and Drip Sensor for Safety Monitoring
$44.95 Save $24.05 RRP: $69.00
Wireless Solar Floor Sensor, IP66, Temperature Humidity Meter for Garden, TUYA App, Zigbee 3.0
$69.00 Save $40.00 RRP: $109.00
Water Immersion Detector Alarm Monitor Your Sensors Water Leak Sensor Bathroom Leak Alarm Overflow Alarm White Pack of 2
$25.95 Save $12.00 RRP: $37.95