This is a Blink Video Doorbell in black colour. It is a wireless video doorbell that can be easily installed in your home. The doorbell comes with a built-in microphone and speakers that allow you to communicate with visitors in real-time. It also has a motion-activated feature that sends alerts to your smartphone when someone is at your door. In addition, the doorbell has night vision capability that allows you to see clearly even in low-light conditions. You can also record audio and video of your visitors. The doorbell is compatible with Alexa, Amazon Alexa, and Google Home. It is powered by batteries or a wall plug-in and comes with two batteries. The doorbell is made of high-quality plastic and has a matt finish.