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Security System Sensors

Shop the best prices on 10,760 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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161 - 192 of 3,200
10-Pack NC Door Contact Sensors for Window Cabinet Alarms
$12.95 Save $28.00 RRP: $40.95
Electric Rivet Nut Gun Riveting Tool Cordless Riveting Drill Adaptor Insert Nut Tool Multifunction Nail Gun Auto Rivet
$11.95 Save $5.00 RRP: $16.95
Door Anti Burglar Protection Kit 911770 Door Security Device Replacement for Peugeot Boxer
$25.95 Save $26.00 RRP: $51.95
Callback Locator Anti-Theft Voice-Activated Sensor Alarm N9
$26.95
Wireless Door Window Sensor Anti Theft 108 DB Easy Installation Security Alarm for Home Cabinet
$23.95 Save $28.00 RRP: $51.95
Tuya WiFi Door Magnetic Sensor Remote Intelligent Linkage Doors Windows Switch Anti-alarm APP Reminder Alarm Tuya Door Magnetic Sensor
$24.95
Leakage Detection Tool Detector Basement Detection Earphone Water Alarm Water Leak Alarm Water Leak Detector For Indoor Room
$319.00
COMPATIBLE Xiaomi Intelligent Mini Door Window Sensor for Xiaomi Smart Home Suite Devices, with the Xiaomi Multifunctional Gateway Use (CA1001)(White)
$24.95
Door Window Sensors Detector Home Security Magnetic Sensor Embedded Door Window Anti-theft Alarm Strong Concealment
$13.95
Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System (PrettyJ)
$11.95 Save $6.00 RRP: $17.95
100 Decibel Home Burglar Alarm Doorbell Vibration Sensor Door And Window Siren Ultra-thin Round Shape Wit
$36.95
e Infrared Detector Sensor 2 Beams Indoor 300m Outdoor 100m High Sensitive Waterproof Home Security Alarm
$64.00
Tuya WiFi Temperatures Humidity Sensor with External Probe Wireless Temperatures App Monitor for Freezer Fish Tank unbrand
$22.95
Refrigerator Door Alarm Open Alarm with Adjustable Voice Notifications Window Sensor, Voice Warning Door Lock Reminder for Garage Cellar 26s
$18.95 Save $19.00 RRP: $37.95
2025 Latest Model Door Open Detection Alarm Door & Window Sensor Simple Use Door
$18.95 Save $12.00 RRP: $30.95
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10 Pcs
$27.95 Save $8.00 RRP: $35.95
Tuya ZigBee Smart Door and Window Sensor Burglar Magnetic Sensor with Scene Interaction Button APP Remote Control
$22.95 Save $13.00 RRP: $35.95
Tuya Wifi Smart Door Sensor Window Entry Sensor with Scene Interaction Button Smart Life for APP Remote Control
$20.95 Save $12.00 RRP: $32.95
Tuya WiFi Smart Door Sensor Home Security Protection Smart Life APP Door Window Senso
$24.95
Security Window & Door Alarm Bell | Wireless Sensor Door Window Burglar Alarm | Pack of 10
$104.00 Save $55.00 RRP: $159.00
DOBERMAN SE-0137 4 in 1 Household Anti-theft Door and Window Magnetic Spring Sensor Super Loud Simple Alarm Set
$46.95
Wireless Mini Door Window Alarm 433Mhz Magnetic Sensor Home Security Anti-Theft Sound Easy Installation Low Voltage for Garage Apartment
$15.95 Save $7.00 RRP: $22.95
Photocell Infrared Sensor Detector for Automatic Gate Obstacle Detector Anti-Theft Alarm System unbrand
$16.95
Zigbee Door Sensor Window Sensor Tuya Door Opener Detector Wireless Smart Door Sensor Alarm for Home Security&Automation unbrand
$14.95
Door Magnetic Contacts Switch Sensor Anti Theft Universal Strong Magnetic Door Magnetic Contact Switch for Door
$26.95 Save $8.00 RRP: $34.95
Tuya Zigbee Temperature Humidity Sensor Smart Home Indoor Thermometer Hygrometer APP Remote Monitor Works with Alexa Google
$35.95 Save $7.00 RRP: $42.95
DS618 Intelligent Signal Detector Sensitive Vibration Sensor Night Vision Detector for Security Testing Scanning
$129.00 Save $40.00 RRP: $169.00
10pcs Surface Mount Wired NC Door Contact Sensor Alarm for Door Window Cabinets-JJ
$17.95 Save $56.05 RRP: $74.00
Refrigerator and Freezer Alarm for Door Left Open, Reminder After 60 Seconds or More by YuJia
$28.95 Save $35.05 RRP: $64.00
2025 WiFi Smart Door Sensor Window Door Open Closed Detectors Smart Home
$13.95 Save $14.00 RRP: $27.95
2025 Wireless Door Open Sensor Alarm Chime, Adjustable Volume With Mute Indicators
$45.95 Save $48.05 RRP: $94.00
Stylish & Practical Door Handle Effective Iron Gate Magnetic Sensor Homes & Office Door Window Alarm Simple Installation
$36.95