Blink Video Doorbell + Outdoor 4 – Wireless smart security cameras, head-to-toe HD view, two-year battery life. Sync Module Core included – 3 camera system + Video Doorbell

Video Doorbell is our second-generation smart security doorbell with up to two years of battery life, an expanded field of view, and improved security features for more peace of mind, no matter where you are. Last longer with two-year battery life — Experience up to two years of smart security coverage on both devices with included AA Energizer lithium batteries and a Blink Sync Module (included with Outdoor 4). See and speak from the Blink app — Experience head-to-toe HD viewing from Video Doorbell and 1080p HD live view from Outdoor 4 as well as infrared night vision and crisp two-way audio. See more at your door with Blink Video Doorbell — Greet guests and watch packages get delivered, day and night, with head-to-toe HD view and infrared night vision. Use two-way talk to hear and speak through the Blink app.