Used but very good condition. Most of the installation kit was not used. Comes with all original accessories including wedge and original house doorbell interface. Can also be powered by USB or external PSU. Tiny mark above button. Hardly visible. The Google Nest Doorbell Wired is a modern and sleek video doorbell suitable for home use. It features a 145-degree view, built-in microphone, and is compatible with Google Assistant and Google Home for smart home integration. The doorbell is hardwired for power and connectivity is wireless, making it convenient to use. Made of plastic in a black colour, this Google Nest product offers advanced surveillance capabilities and a stylish design for any home.