Ultraloq U-Bolt is a secure and affordable smart deadbolt that offers keyless entry via your Bluetooth enabled smartphone and code.You can share temporary codes and Ekeys to your friends and guests for scheduled access. Go Remote Instantly with Bridge, Control entry access to your door from anywhere, for anyone with the Bridge. You can unlock your Ultraloq or grant access to guests and visitors via an EKey for specific dates or periods of time remotely with no monthly charges. You will receive a smartphone notification when someone opens your door.