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Security System Sensors

Shop the best prices on 10,767 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
Wireless magnetic door window sensor by Tuya Smart
$19.95
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
2pcs Security 100db Wireless Door&Window Alarm Vibration Sensor Home
$52.95 Save $96.05 RRP: $149.00
Tuya Zigbee Door Sensor Window Sensor Wireless Smart Door Sensor Alarm Support Home Security&Automation
$19.95 Save $10.00 RRP: $29.95
Wireless Door Contact Sensor 433MHz, Magnetic Contact Wireless Sensor Detector Switch for Doors Window Home Garage Alarm Security
$37.95 Save $81.05 RRP: $119.00
2pcs Security 100db Wireless Door&Window Alarm Vibration Sensor Home
$52.95 Save $96.05 RRP: $149.00
WiFi Door Sensor, Tuya Smart Wireless Door & Window Sensor, Real-Time Alarm Compatible with Alexa and Google Assistant
$25.95 Save $33.05 RRP: $59.00
Wireless Home Doors Windows Security Entry Alarm System Pack 6
$26.95
Magnetic Clothing Hard Tag Remove Security Detacher - Easy and Efficient Solution
$14.95 Save $69.05 RRP: $84.00
2Pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 in 1 Door Sensor Doorbell Door Open Alarm Loud108dB
$29.95