August Smart Lock: Device fits over deadbolt and is unlocked via signal from smartphone. Method of letting in someone to your house when you're not there without giving out key. $199. Compared to similar devices.
The August Smart Lock uses its keyless technology to keep your home safe, even when you're not around. From your smartphone, you can let guests in, check to make sure that you locked up before you left the house, keep a record of who's entered and exited,