Now in case you forget to lock your main entrance, no worry the door can be locked without going back to the house. In today’s scenario, smart phone are quickly replacing music players, navigators, wallets and even keys. The Kevo Smart Lock matches any home’s decor and has a small interior panel and a traditional exterior. The gadget pairs with a handset in which a special app is being run via Bluetooth, which makes it convenient to lock and unlock the door by touching the deadbolt. The phone must be paired and must be in the area sensed nearby. The price of the first generation is set at $159.95 and the second generation costs around $229.