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Security System Sensors

Shop the best prices on 10,942 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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417 - 448 of 3,200
Wire Door Magnetic Switches for Office Home Security Recessed Wire Window Door Contact Sensors Alarm Magnetic Switches White
$25.95
Wireless Electric Doorbell Kit With 1 Receiver And 1 Pir Motion Detector Sensor Alarm Visitor Security Alarm With Music Melody
$44.95 Save $39.05 RRP: $84.00
1/4 Inch Ring Alarm Magnet Riser,10 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included
$30.95 Save $18.00 RRP: $48.95
Wifi Smart Door Detector Door Open/closed Detectors Wifi Home Alarm
$33.95
Magnetic Door Window Sensor Alarm for Home Security
$10.95 Save $12.00 RRP: $22.95
2X Tuya WiFi Smart Vibration Sensor Motion Detection Real-Time Remote Monitor Alarm for Home Window Drawers
$26.95 Save $11.00 RRP: $37.95
Tuya APP Door Open/Closed Detectors Security Protection ZigBee Alarm Detector 2.4GHz Wireless Window Door Gate Sensor
$22.95
Anti-Theft Refrigerator And Freezer Alarm, Door Window Left Open, Reminders At 30 Seconds 0830 szbym
$19.95 Save $39.05 RRP: $59.00
Wireless Window/Door Open 52 Chime Entry Security Alarm Doorbell Magnetic Sensor
$64.00 Save $5.00 RRP: $69.00
WiFi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer Water Alarm US PlugAs Shown SZRH 2025
$74.00 Save $75.00 RRP: $149.00
Retroreflective Grating Large Photoelectric Beam Sensors Reflector Square 5Pcs
$19.95 Save $18.00 RRP: $37.95
2X Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm Black
$18.95 Save $9.00 RRP: $27.95
3X Tuya ZigBee Light Sensor Luminance Sensor Beam Sensor Real-Time Luminance Detection Smart Home Automation App Control
$47.95 Save $21.05 RRP: $69.00
Wireless Magnetic Sensor Door Entry Alarm with for Home Security
$8.95 Save $3.00 RRP: $11.95
Contact Sensor Bracket for Garage Doors, Security Accessory for 2nd Gen Sensors (Sensor Not Included)
$15.95 Save $18.00 RRP: $33.95
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustment Sensitivity
$54.00 Save $15.00 RRP: $69.00
Door & Window Alarm, Door/Window Sensor, 120Db Touch Sensor Door Handle Alarm Anti-Theft Vibration W
$34.95 Save $134.05 RRP: $169.00
Door & Window Alarm, Door/window Sensor, 120db Touch Sensor Door Handle Alarm Anti-theft Vibration Window Burglar Alert Home Security
$1.95 Save $62.05 RRP: $64.00
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher
$28.95 Save $7.00 RRP: $35.95
Wireless Smart Doorbell with Alarm & Sensors for Home Security, Waterproof, 110-240V US
$54.00 Save $55.00 RRP: $109.00
Tuya ZigBee Door Window Sensor Anti-Theft Alarm Smart Home Wireless Detector APP Remote Work with Ho
$13.95 Save $6.00 RRP: $19.95
Yyh-Infrared Sensor Wireless Detector Gsm High Sensitive Security Alarm With Eu Plug For Store Warehouse Factory (Black)
$139.00
Smart Door Sensor ZigBee AntiTheft Remote Monitoring EarlyWarning Notification for Tuya DC5V 1A
$31.95 Save $37.05 RRP: $69.00
Door Magnetic Contacts Switch Sensor Anti Theft Universal Strong Magnetic Door Magnetic Contact Switch for Door
$11.95 Save $12.00 RRP: $23.95
WiFi Door Sensor, Tuya Smart Door Window Sensor,Wireless Window Sensor Real-time Alarm Compatible with Alexa Google Assistant,Home Security Door Open
$38.95 Save $11.00 RRP: $49.95
5 Set Wireless Burglar Alarm Door and Window Magnetic Sensor Alarm
$17.95 Save $5.00 RRP: $22.95
Tuya Smart Door Window Alarm Sensor Door Magnetic Password Disarm
$29.95 Save $9.00 RRP: $38.95
Zigbee Smart Rain Sensor for Outdoor Wireless Rain Detection
$84.00 Save $85.00 RRP: $169.00
Door Window Alarm Wireless Home Window Door Anti-theft Security Alarm
$20.95 Save $10.00 RRP: $30.95
Smart WiFi Vibration Sensor Alarm White
$15.95
4pcs U-Groove Pulley Roller Guide U Type Wheel for Hardware Doors Windows
$20.95 Save $63.05 RRP: $84.00
Wifi Doorbell With Magnetic Triggered Sensor For Window And Door Security 8.20X4.20X1.60cm White 1Set
$21.95 Save $9.00 RRP: $30.95