The Blink Video Doorbell is a high-resolution wireless surveillance camera that provides clear and detailed footage of your front door. With a resolution of 1440x1440, this video doorbell from Blink allows you to easily identify visitors and monitor your home's security. The 2.4GHz wireless connectivity ensures reliable and stable connection, making it easy to set up and use. This new and sealed product is a great addition to any smart home surveillance system.