Whether you're working, walking the dog, or busy making memories, this video doorbell lets you see who's at your door with helpful features like day and night HD video, two-way audio, chime app alerts, and a long-lasting battery life. Created to help make your life safer and easier, the Blink video doorbell lets you personalize your experience. Create customized activity and privacy zones, so you only see the movement you care about. Plus, control all your Blink devices from one account so you can monitor your home or business at the same time. Record, save, and share videos and clips from your Blink devices with ease. Experience the convenience and added benefits of the Blink subscription plan with your included 30-day free trial. Save your clips locally with the Sync Module 2 via a USB flash drive (each sold separately).