Features: *HD 720P Visual Doorbell support WiFi connection. Support record, snapshot, visual intercom, unlock, and rainproof. *Megapixels CMOS sensor, 1280*720 high definition. Camera wide view angle covers 170. *APP Remote Control: Support for Android/iOS phone/pad remote monitor, record, snapshot and two-way talk from anywhere at anytime. *Push instant APP notification when visitors press the doorbell to remind you, never miss any important visitors.. *PIR Function: support PIR motion sensor passive human infrared detection alarm, push alarm to mobile device via APP. *Support high quality voice telephone call with noise cancellation. *Support remote playback if install TF card. Support maximum 32G TF card (not included). *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. *Support two power modes optional: rechargeable batteries or straight power supply hole with USB cable, more convenient to use. (batteries and USB cable not included)