There are two cables but the installation only asks for one to be used. What is the other cable for? The Gainsborough Freestyle Trilock has: Main Loom – that needs to be connected when installing the lock Door Sensor Cable – that is to be used when you have the Wi-Fi Bridge with Door Sensors Related articles What if I lose my phone? In the event of a power outage, does Gainsborough Freestyle Trilock have a back-up power source? The keypad is not lit up. What do I do? Can I adjust the volume of the keypad? The batteries have gone flat and I don’t have the spare key. How can I get in?