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Shop the best SALE offers on 377 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.

Home Alarm SystemsSecurity Sensors & RecordersSafesEmergency PreparednessSecurity Lights & MirrorsFire Alarms & Extinguishers
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33 - 64 of 377
Water Quality Tester pH Meter Chlorine Tester for Swimming Pool Drinking Water Large Screen Without Battery
$42.95 Save $21.05 RRP: $64.00
Water Alarm Leak Detector Moisture Sensor for Basements Sump Pump Dishwasher RV
$64.00 Save $35.00 RRP: $99.00
Smart Door Open/Closed Detectors WiFi Sensor Home Security, Automation, App Alerts
$54.00 Save $25.00 RRP: $79.00
Leak Detector CAR AC Leak Kit Fast Detection Tester for Automatic Air Conditioning System Maintenance
$79.00 Save $40.00 RRP: $119.00
Water Level Alarm, Basement Leak Detector, Drip Alarm, Drip Corner Detector, Bathroom Water Detector, Home Safety Alarm
$28.95 Save $14.00 RRP: $42.95
Liquid Petroleum Leak Detector with Sound and Light Alarm and Auto Shut Off
$35.95 Save $18.05 RRP: $54.00
Motion Detector Sensor Waterproof For Gates, 12V Photo Beam Pair, Reliable Safety Monitoring
$29.95 Save $15.00 RRP: $44.95
Air Conditioning Leak Detector for ACs, Portable Tester for Refrigerants
$59.00 Save $30.00 RRP: $89.00
Portable wireless flood alarm with 100 dB sound notification for rapid
$26.95 Save $13.00 RRP: $39.95
Halogen Leak Detector With UV Lamp Adjustable Sensitivity Leak Alarm For Air Conditioning
$48.95 Save $25.05 RRP: $74.00
1 Piece Water Leak Detector Smart Water Alarm for Home Intelligent Water Sensor with App Notification for Bathroom and Basement No Hub Required
$25.95 Save $12.00 RRP: $37.95
YB2JF Liquid Level Transmitter 5m Cable Water Level Sensor Detector 1232VDC 420mA(02m )
$35.95 Save $18.05 RRP: $54.00
Swimming Pool Water Quality Tester Water Quality Meter Water Tester PC102 Ref: 9991
$24.95 Save $8.00 RRP: $32.95
Handheld Digital Water Quality Tester for 1 to 2 Meter Depth, Portable CL2 Level Meter for Swimming Pools, Spas, and Hot Tubs
$29.95 Save $14.00 RRP: $43.95
Handheld Leak Monitors With Alarm Systems, Portable Battery-Operated Rechargeable Detectors For Easy Transport
$42.95 Save $21.05 RRP: $64.00
2 in 1 Water Quality Tester Level Meter for Swimming Pool Spa Water Quality Monitor Meter (2 in 1 Chlorine Level Tester Meter)
$43.95 Save $20.05 RRP: $64.00
1 piece chlorine detector for pools water quality tester for easy determination of pH value and for swimming pools and spas and portable
$25.95 Save $13.00 RRP: $38.95
Smart WiFi Temperature Hygrometer Tuya for Smart Life App
$59.00 Save $25.00 RRP: $84.00
Smart WiFi Temperature Moisture Monitor, App notification, IR, Tuya Sensor, Alexa & Google Home (black)
$42.95 Save $21.05 RRP: $64.00
Tuya WiFi Water Sensor Leakage Alarm Flood Leak Detector Smart Home Remote Control Smart Home Safety Protection Ref: 8062
$189.00 Save $100.00 RRP: $289.00
Automatic water shutoff valve alarm, water immersion sensor cable, household overflow alarm
$41.95 Save $22.05 RRP: $64.00
Gas Detector, WiFi Air Quality Monitor 8in1 Temperature and Humidity Meter with Alarm Smart Tuya NDIR Sensor 01 White
$219.00 Save $100.00 RRP: $319.00
Swimming pool water quality tester, swimming pool tester, quick compact for home aquaculture pool, multicolored, pc101
$24.95 Save $8.00 RRP: $32.95
Tuya Zigbee Smart Water Leak Sensor Water Overflow Level Detector Security Alarm System Flood Leak Sensor Ref: 3082
$64.00 Save $30.00 RRP: $94.00
Smart Water Alarm Wireless Water Sensor For Kitchen And Bathroom With Leak Notification And Battery Powered Operation
$26.95 Save $13.00 RRP: $39.95
Carbon Monoxide Detectors Set with Built-In Rechargeable Backup Battery, Plug & Play, Three-in-One CO Temperature and Humidity Sensor
$54.00 Save $30.00 RRP: $84.00
Swimming Pool Water Quality Tester Water Quality Meter Water Tester PC102 Ref: 9991
$24.95 Save $13.00 RRP: $37.95
Utility Rolling Storage Cart for Kitchen, Bathroom, Laundry Room - 3-Tier Metal Organizer with Wheels, Adjustable Shelves, Silver
$159.00 Save $80.00 RRP: $239.00
Test Pen Intelligent Sound and Light Alarm Sensor Neutral and Live Wire Detection Ref: 6633
$14.95 Save $8.00 RRP: $22.95
Smart WiFi Temperature Moisture Monitor, App notification, Tuya IR, Sensor, Alexa & Google Home (black)
$42.95 Save $26.05 RRP: $69.00
Flood Sensor Alarm White Water Tank Overflow Security Alarm System With App Remote Control
$26.95 Save $13.00 RRP: $39.95
Water Leak Detector Water Sensor Alarm Wireless Water Detector Sensor Practical Intelligent Water Sensor for Home and Commercial Use
$25.95 Save $12.00 RRP: $37.95