Now you don’t have to maintain virtual keys as you can open the lock of your home with your smart phone. August smart lock device allows you to give access of your house to your friends & families. You can give permission to them for few weeks, hours or minutes. The user can also delete access of some people easily. The user will get to know about who enters your house or who leaves as it tracks all activities. The user can download the august smart lock app from play store or app store. It is available for $199.