OKIDOKEYS Trend ACCESS-PACK Bluetooth 4.0 Smart-Lock System Compatible with Smartphones, Cell Phones, and RFID Tags Freedom from your keys: Lock and unlock your home door with all mobile phones (including non-smartphones) and OKIDOKEYS Smart-Tags Create, share and revoke keys for family and friends and define different time-shifts adapted to each user Select between 6 opening rules for easier use including the hands free mode to unlock your door when you're nearby Receive notifications when your guests unlock your door Easy to install: no drilling, no wiring. Choose your lock color from 3 included covers, white, black, & DIY paint it any color you like