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Security System Sensors

Shop the best prices on 914 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Yale, Xiaomi, Domos and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United States.

Home Alarm SystemsSafesEmergency PreparednessSecurity Lights & MirrorsFire Alarms & ExtinguishersDetectors
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1 - 32 of 914
Power Failure Alarm with 120dB Siren and LED Indicator for Home Office Safety (Needs 9V Battery)
$16.95 Save $8.00 RRP: $24.95
Freezer Door Alarm with Clear Voice Alert, Smart Sensor for Refrigerator Energy Saving Security
$94.00 Save $55.00 RRP: $149.00
Refrigerator Door Alarm Freezer Alarm, Compact Sensor With Voice Alert For Home, Office, School, And Rooms With Window
$31.95 Save $16.00 RRP: $47.95
Freezer Door Alarm With Intelligent Sensor, Voice Alarm, Ajar Reminder For Home, Storefront
$20.95 Save $11.00 RRP: $31.95
Kuhlschranktuer Alarm Open Door Alarm Voice Alarm Sensor For Refrigerator Door Window And Room Security
$23.95 Save $12.00 RRP: $35.95
Kuehlschranktuer Alarm Compact Fridge Door Sensor With Voice Alert For Home Office School And Rooms With Windows
$23.95 Save $12.00 RRP: $35.95
Door Window Contact Sensor RC33 Recessed Wired Magnetic Reed Switch White 10 Pack Security
$25.95 Save $12.00 RRP: $37.95
Wired Magnetic Contact Sensor NC for Metal Windows Pack of 10 Reliable Alarm Reed Switch
$40.95 Save $18.05 RRP: $59.00
Door Window Alarm for Home Security, Pool Door Alert for Kids Safety, Battery Powered (11 Pack)
$79.00 Save $40.00 RRP: $119.00
Wireless Door and Window Alarm with Super Loud Siren, Magnetic Security Sensor for Home and Office
$16.95 Save $7.00 RRP: $23.95
Window Alarm Set with 130dB Vibration Sensor for Home Door and RV Security, 6 Black Units
$44.95 Save $24.05 RRP: $69.00
Door Window Alarm 95dB Loud Wireless Sensor for Home Security and Kids Safety 12 Pack
$29.95 Save $16.00 RRP: $45.95
Door Window Alarm with 125dB Loud Alert, Easy Install Home Security Sensor in White Finish
$16.95 Save $7.00 RRP: $23.95
Rolling Door Magnetic Contact Garage Door Reed Switch with Easy TwoWire Connection OC55
$17.95 Save $8.00 RRP: $25.95
Door Contact Sensor for Access Control, Reliable Detection, Single and Double Door Support
$29.95 Save $14.00 RRP: $43.95
Magnetic Door Contact Sensor for Roller Door Alarm Zinc Alloy Reed Switch Single Pack
$17.95 Save $8.00 RRP: $25.95
Yale 3 Pack Yale PIR Motion Detector Sensor for Yale HSA Alarms 433MHz Yale
$64.00
Yale Pet PIR Motion Detector Sensor Pet Friendly for SR & EF Alarms 868MHz Yale
$30.95
2 Pack Smart WiFi Door Sensor for Home Security, Smart Life Window Contact, Alexa Google Compatible
$44.95 Save $24.05 RRP: $69.00
Smart WiFi Door Sensor and Wireless Window Sensor with Instant Alerts, Compatible with Alexa and Google Home
$16.95 Save $7.00 RRP: $23.95
Door Magnetic Contact Wireless Sensor Detection Switch For Home Garage Security System Wireless Door Sensor
$15.95 Save $7.00 RRP: $22.95
Door Alarm Energy-Saving Window Sensor, Freezer Open Alert, Adjustable Voice Reminder, Smart Close-Door Notification
$20.95 Save $10.00 RRP: $30.95
Fridge Alarm With Indivdually Adjustable Voice Notifications Window Sensor And Door Lock Reminder For Garage And Cellar
$23.95 Save $12.00 RRP: $35.95
Refrigerator Door Alarm Voice Alert Sensor With Adjustable Volume, Magnetic Door Warning For Fridge, Freezer, Window
$20.95 Save $10.00 RRP: $30.95
Door Gap Alarm, Fridge Warning, Adjustable Voice Notifications, Window Sensor, Door Lock Reminder For Garage And Cellar
$20.95 Save $10.00 RRP: $30.95
Vibration Sensor Module 10Pack Reliable Activation Long Trigger Time For Smart Car, Theft And Motorcycle Alarms
$14.95 Save $8.00 RRP: $22.95
WiFi Door Sensor Compatible with Alexa and Google Home, Smart Wireless Door Alarm for Home Security (1 Pack)
$20.95 Save $11.00 RRP: $31.95
Door and Window Security Alarm for Home, Pool Safety Alert for Kids, 6 Pack Sensors
$41.95 Save $22.05 RRP: $64.00
Door Window Alarm 12 Pack, 90dB Loud Window Security Alarm for Home and Kids Safety
$38.95 Save $20.05 RRP: $59.00
Waterproof Non-Slip Adhesive Patches for Blood Glucose Sensor, 10 Pack for Secure Wear
$14.95 Save $8.00 RRP: $22.95
10PCS SW420 Vibration Sensor Module Normally Closed Switch for Motion Detection
$28.95 Save $14.00 RRP: $42.95
Wireless Smart Wi-Fi Door and Window Contact Sensors for Home Security
$47.95 Save $26.05 RRP: $74.00