The Ring Video Doorbell 2 is a next-gen Video Doorbell with enhanced video resolution and quick-release battery.
 
Features Include:
See, hear and speak to anyone at your door from your phone, tablet or PC
Get instant alerts when visitors press your doorbell or trigger ring’s built-in motion sensors
Watch over your home in brilliant 1080Hd video
Easily charge your doorbell with the quick-release rechargeable battery pack
Compatible with iOS and Android mobile devices, and Mac and Windows PCs
Get It Here.