?1.3-megapixel color sensor?6x digital zoom?3:4 aspect ratioVideo?HD, 960 x 1280 pixels, up to 30 FPS?24/7 live view?Night vision ?HDR?H.264 encodingVideo historyThe Nest Doorbell (battery) includes 3-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 cancellationField of view?145°diagonalLights?White LED status light ring?RGB LED status light Sensors?PIR (motion and proximity sensor)?MagnetometerNight vision?See up to 10 feet?Four 850 nm infrared LEDs with IR cut filterWireless?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?Automatic security updates?TLS/SSL with 128-bit AESPower?Built-in rechargeable Li-Ion battery, 6 Ah, 3.65V ?Or use existing wiring for chime and recharging?Voltage: 8-24VAC?Power: 10VA?Frequency: 50/60Hz2 ?Chime & compatibility?Battery installationIf 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 24VAC, 10 VA, 50/60Hz transformer), your 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?-4°F to 104°F (-20°C to 40°C)Weather resistance?IP54 weather resistant?Relative humidity range: 20% to 85%Color?[US online] Snow, Linen, Ivy, Ash?[US retail] Snow, Ash ?[ROW] Snow Dimensions and weight?Width: 1.8 in (45.7 mm) ?Depth: 0.95 in (24.1 mm) ?Height: 6.3 in (160 mm) ?Weight: 7.3 oz (206 g)Green?The Nest Doorbell (battery) is sustainably designed with 45% recycled content across its plastic parts.11This does not include plastics in printed circuit boards, labels, cables, connectors, electronic components and modules, optical components, electrostatic discharge (ESD) components, electromagnetic interference (EMI) components, films, coatings, and adhesives.Languages?English, Danish, Dutch, Finnish, French, German, Italian, Japanese, Norwegian, Spanish, SwedishWarranty?[US/CA/MX/AU/JP] 1-year limited warranty?[EU/UK/CH] 2-year limited warranty?[Pro] 3-year limited warrant