M5 Wireless Doorbell, Motion Detector with Sound Alarm for Door/Door Entry/Home and Shop/Office, Security Alarm

RELIABLE DOORBELL ALARMS: M5 wireless doorbell motion sensor uses advanced infrared sensing technology. Built-in speaker and blue flashing light are suitable for the front door of office, store, restaurant, etc. with voice sound/greeting; for the front door of house, shed, etc. with alarm sound. When activated, the sound will be sent out quickly from this small door alarm buzzer.

SMART MODE: The wireless motion sensor with doorbell is built in three alarm/music/voice modes that can be easily set up according to your needs, the wireless doorbell alarm sound continues for 15 seconds in alarm mode, 32 songs available for you to choose in music mode, and 4 volume levels adjusted for you. And there are also voice prompts like "dingdong", "Welcome" and "Hello" in voice mode.

EASY TO INSTALL: The M5 wireless alarm doorbell is equipped with 2 screws and double-sided adhesive tape for installation according to your preference. The horizontal detection angle of the alarm sensor is 110° and the vertical detection angle is 15°. You can install the wireless alarm doorbell on the front/back door. The motion sensor of the home alarm doorbell will inform you of the presence of a visitor or intruder when it is activated.

DUAL POWER SUPPLY: The wall-mounted presence detector is connected externally to a DC5V power adapter (not included) and built-in 3 AAA batteries (not included) to ensure sufficient power supply. Low battery reminder allows you to change the battery in time without worrying about losing power and missing the alarm.

FUNCTION DESCRIPTION: Short press the "VOLUME" button to change the volume in cycles, i.e. 4-3-2-1-1-2-2-3-4; the host will make a "Di Di" sound when it changes to the maximum or minimum volume. This motion sensor doorbell comes with 12 months warranty, free lifetime technical support and friendly customer service within 24 hours.