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Shop the best SALE offers on 398 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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225 - 256 of 398
Smart water leak sensor detector for home protection alarm system
$37.95 Save $21.05 RRP: $59.00
ZigBee NEO 90 dB Sound and Light Sensor with Built-in Siren Alarm Tuya Smart Life Compatible Device
$329.00 Save $160.00 RRP: $489.00
PH Chlorine Tester Kit Digital Water Quality Tester Swimming Pool Spa Water Tester Electronic Water Quality Analysis Water Test Meter PC101
$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
SW743A Halogen Leak Detector for CFC, H-CFC, Ethanol in Automotive Applications, Compact and Easy to Use
$69.00 Save $40.00 RRP: $109.00
Water Overflow Leakage Alarm Sensor Detector, Water Leak Detector, 90dB Audio Alarm, Waterproof Leakage Sensor, Home Security for Kitchens.
$199.00 Save $90.00 RRP: $289.00
Tuya WiFi Smart Water Flood Sensor Water Leak Detector Flood Notification Alarm Overflow Alarm System Smart Life
$28.95 Save $14.00 RRP: $42.95
Water Quality Tester P-101 Portable pH and Chlorine Meter for Swimming Pools and Aquariums, Accurate Water Monitoring Device
$41.95 Save $22.05 RRP: $64.00
WiFi Door Sensor for Home Automation, Smart Magnetic Open & Closed Detectors, 2.7 x 1.2 x 0.6 Inches, App Remote Notification
$129.00 Save $70.00 RRP: $199.00
Door Open Sensor, Smart WiFi Magnetic Detector for Home Security, Indoor Use, App Notifications, Home Automation
$23.95 Save $12.00 RRP: $35.95
Water Detector Water Leakage Sensor With Alarm Function For Kitchen Bathroom Basement – Loud Water Level Alarm, Easy Installation
$19.95 Save $9.00 RRP: $28.95
Water Immersion Detector Sensors Two-Pack, Water Leak Sensor, Moisture Meter, Bathroom Moisture Alarm, White
$23.95 Save $12.00 RRP: $35.95
O3 Ozone Meter, Air Detector, Intellinter Sensor, Home/Kitchen
$139.00 Save $70.00 RRP: $209.00
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
$89.00 Save $30.00 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
$31.95 Save $15.00 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
$469.00 Save $230.00 RRP: $699.00
Water Detector Alexa Compatible, Wireless External Sensor, App Control, 2-Year Battery Life, Tuya Moisture Detector
$22.95 Save $11.00 RRP: $33.95
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
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 $11.00 RRP: $31.95
Leak Detector for Car Water Tanks - Accurate Pressure Testing Tool Set for Vehicle Coolers, Durable and Versatile Use
$29.95 Save $15.00 RRP: $44.95
Wartungssensoren Für Geschirrspüler - Korrosionsresistente Automatische Wasserspiegel Druckschalter, Kunststoff, Waschmaschinenkompatibel
$14.95 Save $8.00 RRP: $22.95
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