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Security System Sensors

Shop the best prices on 6,580 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Other, Woosien and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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65 - 96 of 6,580
Stair light controller with PIR sensor 32CH ES32
$159.00
2 Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
$36.95 Save $62.05 RRP: $99.00
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
$74.00 Save $35.00 RRP: $109.00
5 Set Wireless Burglar Alarm Door and Window Magnetic Sensor Alarm
$11.95 Save $1.00 RRP: $12.95
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Securi
$32.95 Save $8.00 RRP: $40.95
Sensor Covers For Freestyle Libre, Sensor Adhesive Patches Waterproof Cgm Sensor Protection No Glue
$7.95 Save $17.00 RRP: $24.95
Smart WiFi Door and Window Alarm Sensor, Remote Anti-Theft Alarm
$18.95 Save $2.00 RRP: $20.95
SNZB-04P Zigbee Door and Window Sensor
$20.95 Save $3.00 RRP: $23.95
Tuya Zigbee Door And Window Magnetic Sensor Wireless Door Detector Open Entry Smart Security Alarms Compatible With Alexa Google
$38.95 Save $20.05 RRP: $59.00
Smart Wifi Door Window Sensor, Security Magnetic Sensor Closed Detector
$46.95 Save $22.05 RRP: $69.00
SSRGV Door Magnetic Sensor Wireless Window Open Detector Electronic AntiTheft Burglary Device
$18.95 Save $10.00 RRP: $28.95
Magnetic Clothing Security Tag Remover, Hard Security Tag Detacher For Retail Stores unbrand
$12.95 Save $7.00 RRP: $19.95
Magnetic Door Switch RC-33 NC Recessed Wired Sensor Alarm (10 Sets)
$13.95 Save $16.00 RRP: $29.95
5 Pcs -38 Wired Door Window Sensor Magnetic Switch
$27.95 Save $36.05 RRP: $64.00
100m Sensor Alarm Dual Beam Photoelectric Infrared Detector for Home Security,Black
$64.00 Save $40.00 RRP: $104.00
Infrared Beam Sensor For Gates, Doors Window - External Alarm Detector
$5.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
$64.00
Expansion Board Module Kit For Pico W Gpio Expansion Board 4-channel Relay Io Sensor Debugging Module Kit A
$27.95
Home Garden > Home > System Sensors
$21.95
Wireless Door Alarm With Remote Windows Open Alarmshome Security Sensor Pool Alarm For Kids Safety Sliding (2 Pack)
$36.95 Save $72.05 RRP: $109.00
Wireless Door Window Contact Sensor Alarm - Door Alarm Window Alarm(EPA02)
$28.95 Save $30.05 RRP: $59.00
4 in 1 Function Door Magnetic Sensor Alarm LED Smart Wireless Door Window Alarm for File Cabinet
$19.95 Save $12.00 RRP: $31.95
DOBERMAN SE-0137 4 in 1 Household Anti-theft Door and Window Magnetic Spring Sensor Super Loud Simple Alarm Set
$44.95
Home Security Wireless Remote Control Door Window Siren Magnetic Sensor Alarm Warning, 1 Remote Controller + 3 Magnetic Sensors
$34.95
Home Security Wireless Remote Control Door Window Siren Magnetic Sensor Alarm Warning, 1 Remote Controller + 2 Magnetic Sensors
$24.95
Graphical Programming Sensor Kit Learning Development Board
$139.00
4-Piece Home Security Alarm Set - 110DB Magnetic Door/Window Sensor for Garage, Drawers & Safes
$38.95 Save $35.05 RRP: $74.00
RK300-03A IOT RS485 Indoor Wall Mount Mini CO2 Gas Monitor Sensor 4-20mA Price for Air Quality Monitoring
$499.00 Save $275.00 RRP: $774.00
2Sets Overhead Garage Door Contacts Wired Magnetic Switch Alarm Sensor with Armored Wire Leads and Adjustable Bracket
$31.95
Tuya Zigbee Door and Window Sensor Smart Home Automation Security Protection Smartlife APP Alarm Re
$32.95 Save $26.05 RRP: $59.00
5Set/Lot Wireless Burglar Alarm Door and Window Magnetic Sensor Alarm Smart Home Security Protectio jn
$21.95
Slim Hard Drive Slot Cover Console Housing Replacement for PlayStation4 js
$16.95