1 PIR human body infrared sensor detection for much security and high reliability. 2 Supports three working modes of welcome mode, smart welcome mode and alarm mode. 3 Has the function of low battery alarm, to remind you of replacing battery in time. 4 With power off memory function, no need to readjust the sound, more convenient. 5 36 ringtones design, can meet your more needs when in use. 6 Welcome during the day, guard against burglar at night. Supports multiple modes, free to switch.
What's in the box
1 x PIR Infrared Induction Doorbell
