The Blink Indoor Wireless Security Camera Add-On (3rd Gen) is a white surveillance camera that operates on battery power. It is compatible with Amazon Alexa for smart home integration and features motion detection capabilities. This add-on camera requires a sync module to connect wirelessly and is designed for indoor use only. With a sleek design and compact dimensions of 7 cm in height and width, the Blink Indoor camera offers an easy and convenient way to enhance your home security setup.