Window door sensor alarm function:
1. The window alarm sensor consists of two parts, the alarm host and the induction magnetic strip, with a firm back sticker, which can be used on any doors and windows.
2. Tear off the back sticker of the product, and stick the host and the magnetic strip on the door frame or door panel respectively, with the arrow on the host and the magnetic strip facing horizontally. Turn on the side switch of the host, when the door is pushed open, the magnetic strip will leave the host and sound a 125dB alarm. Close the door to stop.
3. With low voltage indicator light, when the alarm power is too low, the indicator light flashes red, and the user needs to replace the battery in time