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$15 to $50 Security System Sensors

Shop the best prices on 3,154 great value $15 to $50 security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ebox, Cdmjxsm and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Canada.

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1 - 32 of 3,154
12V 3A Power Supply Adapter Universal Power Adapter Transformer for Monitor
$18.95 Save $6.00 RRP: $24.95
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 2M
$19.95 Save $9.00 RRP: $28.95
Tuya Smart Zigbee Rain Sensor with Light Detector Solar Operated IPX6 Waterproof Rain Detector Remote Control unbrand
$28.95
1/4 Inch Ring Alarm Magnet Riser,10 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included
$28.95
Wireless Outdoor Door Window Magnetic Alarm Sensor Waterproof Monitor Burglar Anti Theft Alarm Home Security
$28.95 Save $15.00 RRP: $43.95
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart Home 1M
$17.95 Save $8.00 RRP: $25.95
2PCS Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Safety Smart Life Remote
$25.95
DC 12V 5A Power Adapter Power Supply Brick Switching Transformer for LED Light Strip 100240V
$25.95 Save $7.00 RRP: $32.95
10 Sets 433MHz Wireless Magnetic Door Window Sensors for Enhanced Home Security Compatible with Home Burglar Systems
$36.95 Save $17.05 RRP: $54.00
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 2M
$20.95 Save $5.00 RRP: $25.95
Tuya Intelligent Pressure Sensor for ZigBee Detection 800mm
$49.95 Save $9.05 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 Solar Sunlight and Rainwater Sensor 2 in 1 Rainfall Sunshine Weather Detection Sensor for Home Smart Life
$34.95 Save $16.00 RRP: $50.95
Tuya Zigbee Illuminance Sensor IP67 Waterproof Light Sensor Brightness Detection Real Time App Control Sensor
$17.95
Tuya WiFi Vibration Sensor Door Window Glass Broken Detector Home Security Anti-Theft Smart Life APP Real-Time Alert B
$34.95
TUYA Smart Fingerbot Plus Zigbee Knop Pusher Smart Home Smart Life App Voice Control with App
$29.95 Save $14.00 RRP: $43.95
Indoor Temperature and Humidity Sensor with WiFi Connectivity for Home Monitoring
$33.95 Save $19.00 RRP: $52.95
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
$32.95
Masteelf 1 Set Door Open Sensor Magnetic Security Sensor Window Alarm for Elderly Safety
$18.95 Save $12.00 RRP: $30.95
Rearview Mirror Car Recorder Bracket Shape Universal Design For Taxis High-definition Real-time Monitoring 1Set
$28.95 Save $22.00 RRP: $50.95
Power Failure Alarm with 120dB Siren and LED Indicator for Home Office Safety (Needs 9V Battery)
$22.95 Save $11.00 RRP: $33.95
Tuya Smart Zigbee Rain Sensor with Light Detector Solar Operated IPX6 Waterproof Rain Detector Remote Control unbrand
$34.95 Save $24.05 RRP: $59.00
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart H
$19.95 Save $9.00 RRP: $28.95
Smart Light Sensor with Thread Technology for Indoor Lighting Control and Energy Saving
$40.95 Save $23.05 RRP: $64.00
Smart Door Sensor 2 Pack, Wireless Door Alarm with App Alerts, Alexa Google Compatible for Home Security
$49.95 Save $29.05 RRP: $79.00
Infrared Beam Detector Burglar Ir Alarms Sensor Alarms System
$26.95 Save $21.00 RRP: $47.95
2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Window Open Close Status DS3 Works with G2
$25.95 Save $16.00 RRP: $41.95
调用 AI 接口失败: Connection error. Ref: 8793
$21.95 Save $11.00 RRP: $32.95
Infrared/IR Beam Detector Sensor for Perimeter Protection Outdoor Security System
$20.95 Save $7.00 RRP: $27.95
Home Window Door Burglar Security Alarm System Magnetic Sensor
$18.95 Save $5.00 RRP: $23.95
Door Magnetic Contacts Switch Sensor Anti Theft Universal Strong Magnetic Door Magnetic Contact Swit
$25.95 Save $8.00 RRP: $33.95
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced A
$22.95 Save $7.00 RRP: $29.95