Smart Lock Lets you Open Door With Your Mobile

To open the door, the lock takes a few seconds to scan and confirm the visitor's identity. Once the identity is confirmed the circle of red dots on the front of the device turns green and the August lock twists to release the door. A doorbell chime will also ring to let homeowners know when someone enters the house while they're in another room.

Homeowners can also use their key if they forget their phone or they want to save batteries, although August will email reminders to warn homeowners when their batteries are getting low on power and remind them to replace them. 

To grant keyless access to friends, family and other visitors the homeowner must send them an invite.

This can be done using existing contacts from the homeowner's phone's address book, or using Facebook contacts, but the other person must have the app to receive the unique access code.

When someone enters the house, the homeowner is sent a push notification. Another notification is sent when the person leaves. This means homeowners can keep track of how long cleaners or builders spend in the house and every visitor's details. The lock can also be used to let people into a party, for example, without having to open the door each time. A Guestbook function additionally lets visitors leave comments and photos.

The lock automatically closes after 10 seconds to secure the door. 

Research carried out by the company found that 40 percent of people carry five or more keys with them and 20 per cent carry a key they no longer use.