Blink Video Doorbell | Two-way audio, HD video, motion and chime app alerts and Alexa enabled — wired or wire-free (Black)

Description Field of view 135° horizontal, 80° vertical Video resolution Record and view in 1080p HD video during the day and with infrared HD night vision after dark. Photo resolution View captured images in 640 x 360 nHD Camera frame rate Up to 30 fps Size 130 x 42 x 34 mm Weight 91 grams Power Blink Video Doorbell Power: 2 AA 1.5V lithium metal (non-rechargeable) batteries. Existing chime wiring: 16-24 VAC *Battery life of up to two years, based on default settings. Features may vary with configuration and settings. Battery life will vary based on device settings, use, and environmental factors. Requirements Always-on high-speed internet connection (such as broadband, fiber, or DSL). Wifi network: 2.4 GHz 802.11b/g/n. Connection Battery or wired