• [Simple installation method]-The smart doorbell supports two fixing methods: the first method is to use the matching double-sided tape to directly paste it on the wall. the second method is to use the matching screws to punch holes install

Description:

• Standby time：  About 6 months
• Day and night：  Double filters automatically switch
• Infrared distance ： Effective distance 450m
• Mobile client： Ubell，ios10.0，android version 5.0