Wifi wireless doorbell alarm system

Your private guard

* Support 100 doorbell buttons / wireless sensors, 10 remote controls
* Powered by Tuya APP, remote alarm notification
* Door/window unclosed voice prompt and notification while armed.
* Support AC power failure, hub or accessory low battery notification , tamper alarm and other extended alarm.
* Power-off memory: remembers your last-set melody and volume level after a power outage
* Tamper alarm settings
* 58 Selectable Melodies
* Easy installation: 3M sticker installation
* Ultra-low power consumption design
* 5 levels of volume adjustable (0-85dBA)
* Support Amazon Alexa, Google Assistant voice control