Double-secured locking and access control. MobilePD is a portable and personal programming device which is an optimal choice for a keyholder when CLIQ key needs to be updated in various locations. MobilePD acts the same way as the WallPD regarding key update, but gets power from AAA-batteries and connection to Internet via a mobile phone (Bluetooth) or laptop (USB). The communication between CLIQ Remote server, MobilePD and the CLIQ key is encrypted for maximum security.