Features: *Megapixels CMOS sensor, 1280*720 high definition. *Support wireless Wifi AP Connection. *Push instant notification when visitors press the doorbell or trigger the built-in PIR motion sensor(PIR function). *Support record, snapshot, visual intercom, unlock, and rainproof. *Support high quality two-way talk with noise cancellation. *Support remote access on APP for Android/iOS phone or pad monitor, record, snapshot and talk from anywhere and anytime. *Support remote playback if install SD/TF card. Support up to 32G SD/TF card storage,built-in 16GB SD/TF Card. *Infrared night vision function, day and night mode automatic switching. Whether day or night, the image is clearly visible, for your safety and family security. *You can power the device with the built-in rechargeable battery or power the device using your exiting doorbell wiring.