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Security System Sensors

Shop the best prices on 6,549 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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1 - 32 of 3,200
12V 3A Power Supply Adapter Universal Power Adapter Transformer for Monitor
$18.95 Save $6.00 RRP: $24.95
Anti-Spy Wireless RF Signal Detector Bug GSM GPS WiFi Tracker Camera Bug Signal Detector Anti-Spy Infrared Scanner
$16.95 Save $11.00 RRP: $27.95
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 2M
$18.95 Save $9.00 RRP: $27.95
K68 GPS Finder & Wireless Scanner - Detect Hidden Cameras, Bugs, and Trackers Effortlessly
$149.00
Mailbox Alarm Mail Chime Notification System-Mail Alarm 800 Ft Long Range Wireless Mailbox Alert with LED Light Flashing Edition C
$74.00 Save $75.00 RRP: $149.00
Tuya Smart Zigbee Rain Sensor with Light Detector Solar Operated IPX6 Waterproof Rain Detector Remote Control unbrand
$29.95
Wireless Outdoor Door Window Magnetic Alarm Sensor Waterproof Monitor Burglar Anti Theft Alarm Home Security
$29.95 Save $15.00 RRP: $44.95
Camera Detector Mini Smart Hidden Infrared Anti-Snooping Detector Anti-Peeping Security Lens Detect Gadget White
$9.95 Save $5.00 RRP: $14.95
2PCS Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Safety Smart Life Remote
$25.95
1/4 Inch Ring Alarm Magnet Riser,10 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included
$28.95
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart Home 1M
$17.95 Save $7.00 RRP: $24.95
Magnetic Door Switch RC-33 NC Recessed Wired Sensor Alarm (10 Sets)
$11.95
Tuya WiFi Vibration Sensor Door Window Glass Broken Detector Home Security Anti-Theft Smart Life APP Real-Time Alert B
$34.95
Tuya Zigbee Illuminance Sensor IP67 Waterproof Light Sensor Brightness Detection Real Time App Control Sensor
$17.95
Garage Door Magnetic Curtain Door Sensor with 5m Wired Magnetic Detector for Garage Door Opener Accessories
$8.95 Save $5.00 RRP: $13.95
DC 12V 5A Power Adapter Power Supply Brick Switching Transformer for LED Light Strip 100240V
$25.95 Save $8.00 RRP: $33.95
SQLX 10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety A Hk
$29.95 Save $20.00 RRP: $49.95
Tuya Intelligent Pressure Sensor for ZigBee Detection 800mm
$50.95 Save $8.05 RRP: $59.00
Tuya Zigbee Solar Light Sensor IP65 Waterproof Outdoor Brightness Detector with Real Time Luminance Monitoring
$30.95 Save $20.00 RRP: $50.95
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 2M
$20.95 Save $5.00 RRP: $25.95
Sensor Infrared Safety Beam Photocell Detector DC/AC 12~24V for Garage Gate Door
$26.95 Save $142.05 RRP: $169.00
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
$33.95
8X Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home(1PCS)
$64.00 Save $35.00 RRP: $99.00
NEW Tuya Door Sensor Wifi Window Shatter Sensor Door Window Magnetic/shock Detector
$50.95 Save $23.05 RRP: $74.00
2x Door/ Window Tuya Wifi Sensor Connection Smart Mini Door Sensor Security Work With Smart Life App
$34.95
Zigbee Home Automation Scene Security Alarm Battery Powered Temperature Sensor Wireless Smart
$59.00
Tuya Smart Vibration Sensor ZigBee Tuya Sensor Monitor App Control Security Protection Zigbee Senso
$17.95
Embedded Tuya Wifi/zigbee Smart Human Presence Detector Millimeter Wave Radar Detection Sensor Support Intelligent Linkage
$74.00
2026 new Garage Door Bracket for Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accesso
$21.95 Save $18.00 RRP: $39.95
2026 NEW Smart Wifi Door Magnetic Detector Wifi Door and Window Sensor Door Magnetic Switch Alarm Anti-Theft
$28.95 Save $20.00 RRP: $48.95
433mhz Door Magnetic Contact Wireless Sensor Detector Switch For Home Garage Alarm Security - White (battery Not Included) - 1 Piece
$10.95 Save $21.00 RRP: $31.95
Single Beam Alarm Photoelectric Infrared Detector Home Security System Door
$239.00 Save $210.00 RRP: $449.00