The doorbell can work with batteries. The batteries are rechargeable, If low power, it will remind you, then you take your phone charger to charge it for hours, it is full. The batteries can be used long enough up to how often you press it, recommend to use batteries. The doorbell also can be used by AC adapter without batteries. When installing the AC adapter, Please cover the back cover very well, or It can not connect well and wont have power. It support Cloud Storage, No need any TF card, it save your money!
Features:
HD Viewing
1280*720 HD resolution, 166° super wide-angle lens, all-round view of the scene.
Wireless Signal
No wiring, easy installation, built-in WiFi module, stable transmission, reliable connection, no need to worry about the signal problem caused by too far distance between the doorbell and the client.
Phone Connected
When people enter the sensing range, the device will push the information to the mobile phone at a very high speed, safe and practical. Support WiFi connection, Android IOS APP remote control.
Night Vision
HD infrared night vision 24 hours all day guard. With high-efficiency infrared light compensation, the picture can be clearly seen even at night when the night is dark.
Video Call
The home is in your hand when going out, the mobile phone can remotely wake up and actively view, monitor the home door, press the doorbell to push information, and view it in real time.