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Security System Sensors

Shop the best prices on 6,219 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Nedis, Ebox and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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993 - 1,024 of 3,200
Power Off Detector Sensor Large Volume Alarm System
$16.95 Save $11.00 RRP: $27.95
Light Curtain Sensor Switch Safety Light Grating Security Device(4 Beams BEM0440-C-120NB)
$74.00 Save $45.00 RRP: $119.00
Door Window Magnetic Contacts Set Wireless Sensor Detector Switch with Remote Controller
$21.95 Save $12.00 RRP: $33.95
Door and window alarm, home security, door and window detector, magnetic sensor, burglar alert
$17.95 Save $5.00 RRP: $22.95
4PCS Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Home
$49.95 Save $4.05 RRP: $54.00
Smart Home Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection for Garden Automa
$34.95 Save $5.00 RRP: $39.95
Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System
$32.95 Save $8.00 RRP: $40.95
Personal Safety Alarm with Loud 130dB Sound for Emergency Plastic Small Size Lightweight
$21.95 Save $10.00 RRP: $31.95
25-26 Glass Break Detector High Sensitivity Sdjustable Window Alarm Glass Break Sensor for Home Security
$37.95
Magnetic Clothing Hard Tag Remove Security Detacher
$34.95
Magnetic Remover Clothing Hard Tag Remove - Security Tag Detacher for Easy Tag Removal
$23.95
Battery smoke alarm
$159.00
2X ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-In Siren Alarm Sensor
$38.95 Save $20.05 RRP: $59.00
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home(4PCS)
$30.95 Save $16.00 RRP: $46.95
Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System
$69.00 Save $35.00 RRP: $104.00
Recessed Door for Window Alarm White Contact
$6.95 Save $4.00 RRP: $10.95
Small PM2.5 Sensors for Continuous Air Quality Monitoring in Public Space and Workplaces DIY Air Quality Project
$84.00
Wireless Door Alarm With Remote Windows Open Alarmshome Security Sensor Pool Alarm For Kids Safety Sliding (2 Pack)
$34.95 Save $69.05 RRP: $104.00
For White Door Window Contacts Magnetic Switch Sensor - Home Security Component
$30.95
90db Wireless Security Alarm Door Window Sensor Independent Magnetic Opening Sensor Enhanced Home Safety 5Pcs
$12.95 Save $6.00 RRP: $18.95
Small Strong 12V Security Siren 150dB Alarm Plastic Wire Security Siren for Burglar Detection & Emergency Alerts
$109.00
Touch Sensor River Table Module Touch Sensor Module Multifunctional Convenient Star Sensor Table Module, B
$7.95
Door Window Burglar Alarm Sensor Wireless Remote Control Anti-Theft Alarm System Kit Home Security Door Open Detector
$24.95
for 117 25700071 Tattletale Magnetic Switch
$119.00
1Pcs Car TPMS Tire Pressure Sensor 41990-34000 433MHZ for Scangyong Actyon Korando Musso Rexton Rodius System Sensor
$12.95
Freezer/Fridge Door Alarm When Left Open Safety Window Alarm 3/15/30/60s Adjustable Delay 4-in-1 Door Sensor Chime
$24.95
Wireless Door Open Detector Security Alarms For Door Window Magnetic Sensors Real Time Security Alerts Easy Installation
$49.95
Door And Window Security Alarms Wireless Magnetic Sensors Suitable For Home Apartment Family Protective And Child Safety
$26.95
Door And Window Security Alarms Wireless Magnetic Sensors Suitable For Home Apartment Family Protective And Child Safety
$49.95
Magnetic Door And Window Alarms Wireless Security Sensors System For Child Safety & Burglar Prevention Easy Installation Multicolor
$54.00
Easy Installation Wireless Magnetic Alarm Sensors For Door And Window With Adjustable Sensitivity And Volumes Control Multicolor
$31.95
Wireless Door And Window Alarm Sensors Magnetic Security Device With Adjustable Volumes For Home Office Apartment Safety
$29.95