General description Mini Wireless WiFi Video Doorbell is a smart home intercom system that offers HD night vision and two-way talk functionality. It features a 2.4GHz WiFi connection and is designed for 100% wire-free installation, powered by a built-in rechargeable battery and a 5V 1A USB cable. This doorbell supports cloud storage for alarm event recording, although it does not support memory cards. Technical specifications WiFi connection: 2.4GHz Power: Built-in rechargeable battery and 5V 1A USB cable Night vision range: Up to 5m View angle: 90° Usage When a visitor presses the doorbell, you will receive a video call on the APP interface. Two-way audio allows you to communicate with visitors in real time. Indoor chime support provides a clear ringtone when the doorbell is pressed. Download the free APP "Aiwit" from Google Play or Apple Store to share access with family members.