GreenBlue Wireless Reed Switch / WiFi Door/Window Sensor, Android/iOS, 3.0V DC, LR03x2, with Alarm, GB478 + 2x R-03 LR03 AAA Alkaline Batteries by Varta Industrial 4003 battery - Perfect for automatic switching

- Perfect for automatic switching of lighting and other electrical devices

The housing includes a silicone gasket

The height of the desk is adjustable with a modern controller

ABS and polyamide

damp or high temperature dishes

GreenBlue Wireless Reed Switch / WiFi Door/Window Sensor, Android/iOS, 3.0V DC, LR03x2, with Alarm, GB478 + 2x R-03 LR03 AAA Alkaline Batteries by Varta Industrial 4003 battery - Perfect for automatic switchingWIRELESS DOOR AND WINDOW OPENING SENSOR CONTROL AND PEACE OF MIND EVERY DAY The GreenBlue GB478 wireless door and window sensor is a practical solution for those who want better control over their home without the hassle. Once installed, it notifies you when doors or windows are opened or closed, making it easier to ensure the security of your apartment, home, or office, and to quickly check if everything is lockedeven when youre away from home. TUYA