SkyBell HD is a High-Definition, patented video doorbell connected to your home Wi-Fi that lets you see, hear, and speak to visitors at your door simply by using your smartphone or tablet - even if you're not at home. With a 1080p camera, full-color night vision, motion sensor and live alerts, SkyBell HD will conveniently give you peace of mind when answering the door without compromising your safety. And even when you don't answer, SkyBell HD will record video to your cloud account as soon as the button is pressed or motion is detected, so you will always know who is at your door.