The AOSU Battery-Powered Wireless Video Doorbell and Chime is a smart security camera equipped with 2K QHD resolution for clear video footage. It features night vision capabilities and is suitable for home use. The video doorbell is wireless and can be connected to smart home systems such as Amazon Alexa and Google Home for added convenience and security. Designed in a rectangular shape and in black and white color, this AOSU model (V8E2CA11) offers a reliable and advanced solution for monitoring your home entrance.