Description:- 2.4G Hz WiFi connection, 100% wire-free installation Built-in rechargeable battery powered and 5V 1A USB cable poweredSupport permanent free Cloud Storage service for alarm events video recordingVideo call. When visitore press the doorbell, you will receive video call at APP(Only at the APP interface), and receive a notification that APP pushedTwo Way Audio. Built-in Mic and speaker, you can talk with visitor in real-timeClear Night Vision. Night vision up to 5m. Provide monitoring in day and night110 wide view angle, when someone press the video doorbell, APP will capture alarm events screenshootSupport indoor chime, when visitors presses the doorbell, a clear indoor chime ringtone can be heard at homeSharing device. You can sharing the doorbell with your familiesDownload free APP "Aiwit" from Google Play and Apple StorePackage Included:1*Doorbell1*Chime