Get safety and security at home with the Blink video doorbell. Featuring a 1080p HD video with two-way audio, motion and chime app alerts, and Alexa compatibility, it's easy to install—wired or wire-free. Check on your home at any time, receive real time alerts when someone is near your door, and listen and speak to visitors from your phone or tablet. | Blink Wired/Wire-Free Video Doorbell - Black