Feature(may vary by option.)

●Door magnet is a safety alarm device used to detect whether doors, windows, drawers, etc. have been illegally opened or moved.
●When you leave home, it will push notification message to you when the door/window opens or closes, so you can discover the intruder in time.
●No complicated installation tools are required. The sensor can be installed in just a few steps.
●Energy saving and low power consumption, built-in 2 * AAA 3V lithium batteriesbattery life up to more than 1 year.
●Widely Application: Home, Shop, Office, Hotel, Store, Warehouse.

[4pcs & lot]

[2pcs & lot]

Description

Features:
Door magnet is a safety alarm device used to detect whether doors, windows, drawers, etc. have been illegally opened or moved.
When you leave home, it will push notification message to you when the door/window opens or closes, so you can discover the intruder in time.
No complicated installation tools are required. The sensor can be installed in just a few steps.
Energy saving and low power consumption, built-in 2 * AAA 3V lithium batteriesbattery life up to more than 1 year.
Widely Application: Home, Shop, Office, Hotel, Store, Warehouse.

Specification:
Item: Door Sensors Alarms
Color: White
Material: ABS
Working Voltage: 3V ( 2*AAA Battery)Included
Working Current: 19.59MA
Standby Current: <35UA
Connect Method: WIFI ( 802 . 11b / g / n )
Wifi Distance: 30Meter ( No Obstacles )
Installation Distance: <2CM
Trigger Distance: 2-3cm
Working Temperature: -10℃-55℃
APP: tuya
Size: 32*76mm
Package Size: 7.8*6.2*2.6cm（single）
Package Weight: 40g（single）

Package List:
2pcs /4pcs * Door Sensors Alarms