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Security System Sensors

Shop the best prices on 10,907 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Other and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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705 - 736 of 3,200
WiFi Door Open Closed Detectors Tuya Window Sensor with App Notification Alert Contact Sensor for Home Security with Black Color
$54.00 Save $10.00 RRP: $64.00
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds, 4 In 1 Door Sensor
$34.95 Save $3.00 RRP: $37.95
2pcs Garage Door Bracket for Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accessory
$25.95
Zigbee Smart Vibration Sensor Detection Tuya Smart Life APP Notification Real-Time Motion Vibration
$38.95 Save $35.05 RRP: $74.00
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen), Easy-to-Install Garage Door Safety Accessory
$10.95
Magnetic Switch Alarm Sensor Overhead Garage Door Contacts with L Bracket
$16.95
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor for Mi Home
$14.95 Save $49.05 RRP: $64.00
Smart WiFi Vibration Sensor Alarm Wireless Vibration Detector Alert Real-Time Activity & Shock Detection White
$17.95
25-26 T15 Anti- Camera & GPS Tracker Detector - Wireless RF Signal Scanner for Hidden Devices & Listening Gadgets
$20.95 Save $21.00 RRP: $41.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
$45.95 Save $93.05 RRP: $139.00
Magnetic Clothing Hard Tag Remove Security Detacher
$8.95 Save $4.00 RRP: $12.95
4pcs Car Tpms Tire Pressure Monitor Warning System Sensor A0009054100 For - E-class W212 W204 X253 C205
$44.95
Tuya Wifi Smart Door Magnetic Sensor App Control Usb Wireless Door Window Sensor Door Magnetic Alarm Detector
$15.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
$48.95
DOBERMAN SE-0119 Household Anti-theft Wireless Remote Control Door Magnetic Sensor Alarm
$44.95
Tuya Door Window Sensor Wifi, Open Close Detector Home Security System, Smart Life Remote Control
$10.95 Save $39.00 RRP: $49.95
Door and window sensors 5 pcs. Recessed Wired Door Window Sensor Door Window Alarm Sensor Home Security Alarm System
$15.95 Save $68.05 RRP: $84.00
WIFI Door Sensors Alarms Contact Wireless Door Window Magnet Entry Detector Sensor for Home Security APP tuya
$25.95 Save $7.00 RRP: $32.95
Smart WiFi Light Sensor for Home Automation, Tuya App Control, Brightness Detector
$33.95 Save $13.00 RRP: $46.95
Anti-Theft Alarm for Refrigerators and Freezers with Door Window Left Open Reminder and 30-Second Beep Alert
$59.00
4 pcs/set Reed Sensor Magnetic Switch Module Diy Kit Normally Open
$16.95 Save $5.00 RRP: $21.95
WiFi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer Water Alarm US Plug S202412278299 w
$74.00 Save $10.00 RRP: $84.00
SNZB-04 ZigBee Wireless Door and Window Sensor, Send Alert to Your Smartphone, Compatible with Alexa
$28.95 Save $19.00 RRP: $47.95
Home security alarm for caravans with wireless sensor
$16.95 Save $47.05 RRP: $64.00
JWL-Wireless Door Window Burglar Sensor Alarm 4 Modes Door Open Detectors Freezers Close Reminder Security Protection Alert 26s
$94.00 Save $95.00 RRP: $189.00
2025 Sensor Infrared Detection Photoelectric Sensing Switch Distance Security Alarm Parts DC5‑24V
$37.95 Save $36.05 RRP: $74.00
M-809 Magnetic Wireless Door Sensor Burglar Alarm Detector For Home Security 2025 2025
$45.95 Save $48.05 RRP: $94.00
2025 Wireless Door bell Motion Sensor Home Security Door open alarm Entry Chime
$34.95 Save $34.05 RRP: $69.00
Door Alarm, Door Opening Detector With Powerful Siren, Magnetic Wireless Door And Window Alarm(pack Of 1) 26s
$36.95 Save $37.05 RRP: $74.00
2026 Wireless Infrared Gate Beam Sensor Anti Theft Alarm IP55 Waterproof for Station Automatic Door
$64.00 Save $65.00 RRP: $129.00
2026 Multipurpose 24GHz Human Sensitivity Module Suitable for Indoor Automation and Security High Performances Accessory
$17.95 Save $17.00 RRP: $34.95
2pcs Infrared Beam Detector Burglar Ir Alarm Sensor Automatic Door Light Sensor Alarm System 2025
$36.95 Save $37.05 RRP: $74.00