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Door open monitor

(976 products available)

433mhz Wireless Door Contact Detector Wireless Door Open Detector cold chain monitoring

$50.00-100.00
Min. Order: 2 sets

2 Wire Mobile Tuya Version 7 inch IP Indoor Monitor Support connect CCTV Camera by protocal Scan card open door

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$58.00-60.00
Shipping per piece: $23.39
Min. Order: 1 box

Smart Home Magnetic Door Contact Sensor Drawer Window Door Open Close Monitor 2.4G Smart Tuya WiFi Door Sensors

Ready to Ship
$4.39-4.60
Shipping per piece: $2.77
Min. Order: 5 pieces

China Wholesale Tuya Smart Wireless WiFi Door Security Magnetic Open Alarm Sensor with Remote Monitoring

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$7.00-8.20
Shipping per piece: $2.67
Min. Order: 500 pieces

Wifi Smart Wireless Universal Garage Door Opener Alarm Sensor Tuya App Remote Open & Close Monitor

$9.80-11.90
Min. Order: 1 box

Aitdda high quality Multi Apartment video doorbell phone building video intercom system for apartments 3.5 Inch indoor monitor

$11.00-86.00
Min. Order: 10 pieces

AHD7-2v1 KONX 1080p 7 inch wifi tuya 1080p ip65 wired doorbell gate wired video intercom door opening system with indoor monitor

Ready to Ship
$128.00-138.00
Shipping per piece: $21.86
Min. Order: 2 pieces

High Quality Door Open Alarm Programmable Timer Function and Auto Reset Function Door Monitoring Function

$6.95-8.95
Min. Order: 50 packs