When you’re not home and/or out of town. You can check who is at your door for safety purposes and maybe even talk with them. When you’re working or making dinner and want to avoid solicitors, you can check to see if the person ringing the doorbell is worth taking the time out of your lengthy To Do list to greet at the door. View in galleryThe August Doorbell Camera is a video doorbell that connects to your existing doorbell wires. The camera itself has a small but square shape 2. 9”x2.