Danabridge V3 is part of the Danalock system, using an advanced encryption method for transferring data. With the Danabridge V3, you can lock, unlock and monitor your door from anywhere. Plug the Danabridge V3 into a power outlet and connect it to your home Wi-Fi, then it is ready to use. Communication: Bluetooth 4.2 and Wi-Fi 802.11b/g/n.