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? The keypad is not lit up. What do I do? How long are the batteries expected to last? What is Gainsborough Freestyle Trilock? How does Gainsborough Freestyle Trilock work?