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Security System Sensors

Shop the best prices on 9,714 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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1 - 32 of 9,714
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alarm
$69.00 Save $50.00 RRP: $119.00
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety B
$16.95 Save $8.00 RRP: $24.95
Tuya WiFi Temperatures Humidity Sensor with External Probe Wireless Temperatures App Monitor for Freezer Fish Tank unbrand
$21.95
Animal deterrent alarm for wild boar and theft prevention
$32.95 Save $41.05 RRP: $74.00
2025 Upgraded Camera Detector Professional Bug RF Detector Hidden Camera Finder
$129.00 Save $70.00 RRP: $199.00
New Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security Protection System
$10.95 Save $7.00 RRP: $17.95
Mailbox Alarm Mail Chime Notification System-Mail Alarm 800 Ft Long Range Wireless Mailbox Alert wit
$30.95
High Capacity Battery Surveillances Detectors Not Eavesdropping Tool for Protecting Commercial Secrets & Person Privacy Multicolor
$69.00
Pool alarm for kids safety with wireless door sensor and remote
$54.00 Save $55.00 RRP: $109.00
Plush Horse Riding Stick for Kids with Soft Plush Head, Sturdy Wooden Pole Toy for Balance Development and Active Play
$37.95 Save $36.05 RRP: $74.00
Ring Alarm Riser 1/4 inch 5 Pack Mount for Entryways 25-26
$27.95 Save $26.05 RRP: $54.00
1/4 Inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included unbrand
$15.95
Freezer Door Alarm with Time Delay Refrigerator Door Alarms Swimming Pool for
$27.95 Save $18.00 RRP: $45.95
Household Window Home Refrigerator And Freezer Alarm, Door Left Open, Reminders At 30 Seconds
$3.95 Save $17.00 RRP: $20.95
1/4 inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window hwy
$27.95
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor for Mi Home
$13.95 Save $40.05 RRP: $54.00
1/4 Inch Magnet Riser,10 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Incl
$26.95 Save $21.00 RRP: $47.95
Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home Light Change Controlled for Home
$45.95 Save $18.05 RRP: $64.00
12V 3A Power Supply Adapter Universal Power Adapter Transformer for Monitor
$18.95 Save $6.00 RRP: $24.95
Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security
$21.95 Save $17.00 RRP: $38.95
2pcs Automatic Infrared Beam Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System
$25.95 Save $28.05 RRP: $54.00
Human Presence Sensor Millimeter Wave Radar Detection Built-in Illuminance Sensor
$48.95
TUYA WiFi Door and Window Sensor Smart Security Alarms for Alexa Google Home
$18.95 Save $1.00 RRP: $19.95
TUYA WiFi Door and Window Sensor Smart Security Alarms for Alexa Google Home
$18.95 Save $1.00 RRP: $19.95
2Pcs Tuya Smart Temperature Humidity Sensor Zigbee
$24.95
Door Magnetic Sensor Wireless Window Open Detector Electronic AntiTheft Burglary Device
$17.95 Save $41.05 RRP: $59.00
Tuya ZigBee Door Window Sensor Anti-Theft Alarm Smart Home Wireless Detector APP Remote Work with H
$13.95 Save $4.00 RRP: $17.95
WiFi Door Open Closed Detectors Tuya Window Sensor with App Notification Alert Contact Sensor for Home Security with Black Color
$34.95
C100 125dB Vibration Sensor Alarm Door and Window Alarm Home Personal Anti-theft Alarm(Black)
$20.95
100m Ir Alarm Sensor, Digital Pulse Infrared Sensor Dual Beam Infrared Alarm, Infrared Invisible Sen
$189.00 Save $100.00 RRP: $289.00
Wireless Door Window Burglar Sensor 4 Modes Alarm Door Open Detectors Freezers Close Reminder Security Protection White
$8.95 Save $2.00 RRP: $10.95
Digital Thermometer With Wifi Connectivity And Freezer Alert For Home Monitoring
$84.00 Save $35.00 RRP: $119.00