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Shop the best prices on 5,941 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ebox, Nedis and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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2,081 - 2,112 of 3,200
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
$109.00 Save $110.00 RRP: $219.00
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 2M
$16.95
Driveway Alarm 800m Ran Wireless Ant Home Mot Sensor Detector Moni
$94.00 Save $35.00 RRP: $129.00
White kkmoon 7 wired video door phone system visual intercom doorbell with 1*800x480 indoor monitor + 1*700tvl outdoor camera support unlock infrared
$289.00 Save $180.00 RRP: $469.00
Garage Door Bracket for Contact Sensor,Ring Sensor Mounting Bracket Security Accessories
$11.95 Save $9.00 RRP: $20.95
Door Alarm Sensor Window Home Safety Alarms Indoor PIR Motion Infrared Detector USB Rechargeable
$19.95 Save $6.00 RRP: $25.95
Butée de porte portable avec alarme et détection de vibrations, idéale pour la maison, le magasin ou le bureau, noire
$16.95 Save $5.00 RRP: $21.95
Tuya Zigbee 3.0 Door Window Magnetic Sensor Smart Home Wireless Door Open Closed Detector
$179.00
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen), Easy-to-Install Garage Door Safety Ac
$11.95 Save $1.00 RRP: $12.95
2-Pack Tuya Smart WiFi Temperature and Humidity Sensors for Remote Home Monitoring in the UK
$36.95 Save $22.05 RRP: $59.00
Tuya Smart WiFi Door and Window Sensor with Magnetic Alarm for Home Security
$27.95 Save $21.00 RRP: $48.95
433MHz Wireless Door Sensor Alarm for Home Security Monitoring
$84.00 Save $25.00 RRP: $109.00
Intelligent 433MHz Door Magnetic Detector Alarm for Home Security
$84.00 Save $25.00 RRP: $109.00
SNZB-04P Zigbee Door and Window Sensor
$24.95 Save $17.00 RRP: $41.95
Tuya Matter Thread Door Window Sensor USB Powered Smart Home Wireless Detector Work with HomeKit Alexa Google Home
$28.95 Save $20.00 RRP: $48.95
Door Window Alarms, Adjustable Volume, Door Window Alarm Sensor
$42.95 Save $31.05 RRP: $74.00
Smart WiFi Door and Window Alarm Sensor, Remote Anti-Theft Alarm
$19.95 Save $14.00 RRP: $33.95
Wireless WiFi Door Sensor Magnetic Triggered Sensor for Home Use
$22.95 Save $14.00 RRP: $36.95
White WiFi Door Sensor Magnetic Triggered Sensor for Home Use with No Battery
$22.95 Save $19.00 RRP: $41.95
Laser Garage Auxiliary Parking Device AC/DC Laser Induction Parking Locator Single Laser Sensor US PLUG
$20.95 Save $16.00 RRP: $36.95
Wireless Temperature Humidity Alarm with GSM 3G 4G Network and Sensor Calibration
$259.00
SNZB-04P Zigbee Door and Window Sensor Local Smart Scene Linkage Tamper Alarm Security Compatible with Alexa Home
$24.95 Save $2.00 RRP: $26.95
Tuya Zigbee WiFi Smart Door Window Sensor Alarm Detector Independent Magnetic Sensor Smart Home Via Alexa Google Home Smart Life
$64.00 Save $10.00 RRP: $74.00
2Sets Overhead Garage Door Contacts Wired Magnetic Switch Alarm Sensor with Armored Wire Leads and A
$27.95 Save $8.00 RRP: $35.95
Automatic infrared beam detector for home security alarm system - 2pcs
$59.00 Save $10.00 RRP: $69.00
Tuya Zigbee Multifunctional Pressure Sensor Flexible Thin Film Pressure Sensor Smart Linkage Smart L
$45.95 Save $28.05 RRP: $74.00
6X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
$89.00 Save $50.00 RRP: $139.00
Magnetic Switch Alarm Sensor Overhead Garage Door Contacts with L Bracket
$13.95 Save $45.05 RRP: $59.00
High Sensitive Vibration Detector Earthquake Alarms with LED Lighting Door Home Wireless Electric Car Alarm
$20.95 Save $23.00 RRP: $43.95
Zigbee Smart Gateway Zigbee Wireless Hub Gateway for Smart Home Automation for Zigbee Devices Via Smart Life
$32.95 Save $26.05 RRP: $59.00
Tuya Smart WIFI Door Sensor Breaking in Protection Alarm Anti-Theft 90DB Window Open Detector Voice Control
$14.95 Save $17.00 RRP: $31.95
Smart Home Zigbee Temperature and Humidity Sensor Remote Control SmartLife Work with Alexa Google Assistant
$14.95 Save $15.00 RRP: $29.95