Specification:
-Resolution: 480*320
-Lens: 90° (Horizontal view)
-Lens Pixel: 2 Mega Pixel
-Capture Photo?Automatically when press the doorbell.
-Photo push to?App
-Battery Mode: 4pcs Alkaline AAA batteries
-Batteries Included?No
-Standby: More than 1 year
-Wireless: Wi-Fi 2.4G
-Operation Temperature: -10? to 50 ?
-Operation Humidity:?95%

Function & Features
? Get instant photo from App or Wechat when Visitors press the doorbell.
? Support cloud and local storage, can check the visitors photo at anytime.
? 90° wide angle monitoring.
? Simple installation and setup, Stick Up doorbell easy to post on the wall.
? Plug Chime into any standard power outlet, get instant alerts anywhere in your home.
? Operating range: 100-200 feet.
? Super low power consumption, working time more than 1 year with 4pcs AAA batteries.
? Link to Millink smart door lock, can unlock the door from App.