*The Newest Design Case-Weatherproof
*RTOS Operating Systems
*Ultra-Low Power Consumption Design,if everyday use 10 times,the machine can use more than 8 months.
*Easy Installation (no need any cable),just Wifi connection, Wired installation optional
Dual-powered: Runs off the internal battery or can be connected to existing Doorbell wiring
*PIR Motion-activated alerts (Passive Infrared Detection) Alarm
*Built-in 8GB TF Card(Kingston) (keep visitor picture of 4 years)
*Built-in Ding Dong,Support IR Automatic night vision function
*APP support iphone,Android,Support Two-way speaker function
*Built-in Lithium Battery and Easy Charged by USB
*Automatic take a picture when visitor press doorbell
*When someone touch the outdoor doorbell, the indoor or doorbell will ring and remind the host open the door.