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Security System Sensors

Shop the best prices on 740 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Yale and Smart Things. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United States.

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225 - 256 of 740
Door and Window Alarm with Smart Voice Alert, 4 Modes, Adjustable Volume for Home, Pool, Garage
$19.95 Save $8.00 RRP: $27.95
RC33 Recessed Door Contact Sensor NC Magnetic Switch for Home Security and Burglar Alarm Systems
$15.95 Save $7.00 RRP: $22.95
Smart Light Sensor with Thread Technology for Home Automation, Energy Saving and Low Power Alerts
$28.95 Save $14.00 RRP: $42.95
Infrared Beam Sensor with Sensitivity, IP55 Waterproof Wireless Security for Gate and Garage
$59.00 Save $30.00 RRP: $89.00
Intelligent Surrounding Light Sensors ABS Housing Light Detection Device Indoor Office Use Compact
$36.95 Save $17.05 RRP: $54.00
100m Dual Beam Infrared Beam Sensor for Outdoor Security Alarm, Weather Resistant Detection
$69.00 Save $35.00 RRP: $104.00
Infrared Beam Sensor for Gate Opener Weatherproof Photocell Pair 24V Transmitter and Receiver
$19.95 Save $10.00 RRP: $29.95
XCSDMC7905 Coded Magnetic Switch XCSDMC 2 NC Staggered 5m Cable 5V
$31.95 Save $17.00 RRP: $48.95
Door Window Alarm Sensor 12V Wired Magnetic Contact Switch for Home Garage Security Aluminum Alloy
$20.95 Save $10.00 RRP: $30.95
Wireless Door Window Security Alarm with Loud Intrusion Alert and Easy Adhesive Install for Home
$15.95 Save $7.00 RRP: $22.95
Wireless Door Window Security Alarm with Loud Intrusion Alert and Easy Adhesive Install for Home
$15.95 Save $7.00 RRP: $22.95
Wireless Door and Window Alarm Sensors Set 24 Pcs for Home Security with Immediate Intrusion Alert
$46.95 Save $22.05 RRP: $69.00
WiFi Door Window Sensor with Smart App Control, Instant Alerts, Alexa and Google Compatible (1 Pack)
$24.95 Save $12.00 RRP: $36.95
Trip Wire Reel 85FT SiliconeCoated for Early Warning Perimeter Security and Camping 2 Pack
$41.95 Save $22.05 RRP: $64.00
Smart Door and Window Sensor Zigbee 3.0 with Instant Security Alerts TUYA Compatible for Home Automation
$25.95 Save $13.00 RRP: $38.95
Set of WiFi door and window sensors for home security with smart app notifications
$36.95 Save $17.05 RRP: $54.00
Wireless Smart Wi-Fi Door and Window Contact Sensors for Home Security
$49.95 Save $24.05 RRP: $74.00
Real Sensor Open Home Detector Color Black Security System Compatible Instant Notifications
$21.95 Save $10.00 RRP: $31.95
Door Alarm Sensor 110dB Loud Window Alarm with 4 Modes Battery Operated for Home Security 20PK
$269.00 Save $130.00 RRP: $399.00
Outdoor Security Alarm Sensor with Weatherproof Rain Cover, GlareResistant Perimeter Intrusion Detector for Driveway and Gate
$19.95 Save $10.00 RRP: $29.95
WiFi Home Security System Compatible with Tuya App, Smart Door Sensor, Instant Alerts, DIY Expandable Setup
$22.95 Save $9.00 RRP: $31.95
Door Window Alarm 90dB Loud Wireless Sensor for Home and Child Safety, 15 Pack
$28.95 Save $14.00 RRP: $42.95
Wireless Door and Window Alarm Sensor with Loud Alert, Easy Adhesive Mount, Battery Operated
$15.95 Save $7.00 RRP: $22.95
MC38 Wired Door Window Sensor 330mm Extended Wire Magnetic Switch NC Type Home Security Alarm
$15.95 Save $7.00 RRP: $22.95
Wireless Door Window Sensor with Smart Motion Detection for A103 A105 A107 A108 A519W A01F A02F
$19.95 Save $10.00 RRP: $29.95
Door Window Alarm with Loud Intrusion Alert and Easy Battery Replacement for Home Security
$15.95 Save $7.00 RRP: $22.95
Smart Door Sensor with Instant Alerts, Wireless Door Window Security Sensor for Smart Life
$25.95 Save $13.00 RRP: $38.95
Freezer Door Alarm with Clear Voice Alert, Smart Sensor for Refrigerator Energy Saving Security
$99.00 Save $50.00 RRP: $149.00
IR Beam Motion Detector 12V Waterproof Single Beam Sensor Pair for Automatic Gate and Garage Doors
$119.00 Save $60.00 RRP: $179.00
Infrared Beam Sensor Pair 20m Long Range Photoelectric Detector for Door and Gate Security
$27.95 Save $13.00 RRP: $40.95
120dB Door Window Alarm 4 Pack with 4 Modes, Easy Install for Home Security and Kids Safety
$34.95 Save $16.00 RRP: $50.95
Wireless Door Alarm with Magnetic Sensor, Remote Alerts, Easy DIY Install for Home and Pool Safety
$24.95 Save $10.00 RRP: $34.95