Supplied in Brushed Steel finish. The outside knob turns freely without operating the latchbolt. When a valid code is entered and the blue LED lights burn, the knob will retract the latchbolt. When the door closes the spring latch will automatically lock the door. The key will open the door for management functions. The key may be used to set the lock into Code Free mode so that anyone can open the door without using a code. Code Free Mode can also be programmed at the keypad using the Master Code. Supplied complete with front keypad, back handle and a 60mm backset tubeular mortice latch.Ideal for use in offices / schools / warehouses / hospitals / care homes / nurseries / hotels / leisure facilities / the home. The lock can store up to 80 different User Codes. Codes may be 4, 5 or 6 digits long. Programming is via the keypad, using the Master Code. Over 80,000 operations from 2 x 1.5 v AA