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4 in 1
- wireless doorbell,
- alarm,
- night light and
- welcome announcement at the door,
The Kerui M7 device can work in any of the listed modes, which can be changed as needed.
It consists of a receiver (which can be mobile) and a motion sensor that can work on batteries (not included) or on a Micro USB cable. Up to 30 different detectors/sensors and remote controls of an alarm system can be added to the receiver, which can change the modes of operation from afar, and which work at 433MHz (with code EV1527/PT2262).
4 volume levels and 32 different melodies/sounds can be set.
The sensor is placed above the door and depending on the operating mode of the receiver, a welcome message, a bell, an alarm or the LED lights up when it is in night mode. If necessary, the LED light can be activated on the M button on the receiver and used as a flashlight in the theme.
If you need additional sensors and/or remotes to connect them to the receiver or alarm system, you can get them from us.
The configuration that is sold is shown in the picture, and the attached video shows how to use it with another type of sensors.

Main Features:
1) 32 songs tsan be tshosen
2) Integrate with the function of welcome, burglar, doorbell, night light
3) Can add a maximum of 30pcs accessories (including detectors and remote controls)
4) Support the accessories with code EV1527/PT2262
5) 4 level volume to adjust

Category: Home and Garden / Safety and security equipment / The rest