The Nest Doorbell is a battery-powered video doorbell that works with any home. It has a 1.3-megapixel colour sensor and 6x digital zoom. It also has a 145° diagonal field of view. It is HD, 960 × 1280 pixels, up to 30fps. It also has 24/7 live view. Night vision and HDR video are also included. It has a high-quality speaker and microphone. 2-way audio with noise cancellation is also included. 128-bit AES with TLS/SSL is also included. It is weather resistant (IP54). No more guessing with smart alerts. The Nest Doorbell can tell the difference between people, packages and vehicles. You can even have it recognise familiar people and tell you who’s there.