Nest Doorbell (battery) Features: Never miss the important stuff. See what’s happening at your door, and get relevant alerts when there’s activity. Say hello while you’re away. Answer your door in real time or leave pre-set messages. Battery-powered to work with almost any door. No wires means that it works with almost every home, from houses to apartments. Never miss the important stuff. Check in on what matters and answer from anywhere, thanks to smart alerts and other helpful features. Specifications: App Requires the Google Home app and a Google Account Voice Assistant Works with compatible Google Assistant and Amazon Alexa-enabled devices Dimensions & Weight Dimensions Width: 46 mm (1.8 in) Depth: 24.1 mm (0.95 in) Height: 160 mm (6.3 in) Weight 206g (7.3 oz) Colour Snow Camera and field of view Camera 1/3-inch 1.3-megapixel colour sensor 6x digital zoom 3:4 aspect ratio Field of view 145° diagonal Video HD, 960 x 1280 pixels, up to 30 FPS 24/7 live view Night vision HDR H.264 encoding Video history The Nest Doorbell (battery) includes three-hour event video history. You can upgrade to 30 days of event video history with a Nest Aware subscription, or 60 days of event video history with Nest Aware plus. However, whether you choose battery or wired installation, the Nest Doorbell (battery) cannot continuously record 24/7 video history. Google Nest offers other cameras and wired doorbells that can record 24/7 video history with a Nest Aware plus subscription. Audio High-quality speaker and microphone Two-way audio with noise cancellation Lights White LED status light ring RGB LED status light Sensors PIR (motion and proximity sensor) Magnetometer Night Vision See up to 3.05 metres 4 850 nm infrared LEDs with IR cut filter Wireless 802.11a/b/g/n (2.4 GHz and 5 GHz) Wi-Fi WEP, WPA, WPA2, WPA3 encryption supported Bluetooth low energy (BLE) Security On-device machine learning Secure boot Five years of security updates TLS/SSL with 128-bit AES Power Built-in rechargeable Li-Ion battery, 6 Ah, 3.65 V Chime and compatibility Battery installation If you choose battery installation for your Nest Doorbell (battery), you can get a notification on your phone and on your Google Assistant-enabled speakers and displays when someone presses the button. Your existing wired doorbell chime will not ring. Wired installation If you choose the optional wired installation for your Nest Doorbell (battery) by connecting it to your existing doorbell wires (8 to 24 VAC, 10 VA, 50/60 Hz transformer), your existing wired doorbell chime can ring when someone presses the button. You can also get a notification on your phone and on your Google Assistant-enabled speakers and displays. Operating temperature –20°C to 40°C (–4°F to 104°F) Charging temperature 0°C to 40°C (32°F to 104°F) Weather resistance Weather resistant IP54 Relative humidity range (20% to 85%) Sustainable materials The Nest Doorbell (battery) is sustainably designed with 45% recycled content across its plastic parts. Languages English, Danish, Dutch, Finnish, French, German, Italian, Japanese, Norwegian, Spanish, Swedish Warranty 2-year limited warranty Nest Pro: 3-year limited warranty What's in the box Nest Doorbell (1 pack) 1 Nest Doorbell 1 base plate Release tool 2 wall anchors 2 wall screws Wire connector 20° wedge Spacers Wedge screws Charging cable (1 metre) Quick start guide Safety and warranty document