doorbell welcome device 2 in 1
Tuya APP: stable server, strong operating experience, remote alarm, detector low battery alarm, APP traffic statistics function
Power-off memory: all settings are still saved after power-off
Easy installation: 3M sticker installation
Backup lithium battery power supply: long battery life
3 music settings: meet the volume needs of different occasions
Free choice of 38 ringtones: can be used for multi-zone distinction <400mA Music: 30 songs for selection Wireless transmitting distance: 70m (open distance) Wireless receiving distance: 70m (open distance)