The Arlo Video Doorbell 2K (2nd Generation) AVD4001-1SCNAS is a modern, sleekly designed smart doorbell that can be powered by a rechargeable lithium-ion battery or wired for continuous power. With features like night vision, geofencing, and scheduling capabilities, this oval-shaped doorbell is perfect for use in homes, schools, or shops. Its 180-degree view and digital zoom mode ensure you never miss a thing, while its compatibility with Amazon Alexa, Google Home, and Arlo makes it easy to integrate into your smart home system. The video doorbell comes in a stylish matte finish and includes one battery.