SS. The ACT ACT10 is a durable digital keypad, manufactured from vandal resistant die cast zinc. The stainless steel keys are backlit and are programmed via the keypad, with a code length of 4-6 digits. It is a multipurpose keypad, suitable for both indoor or outdoor use, and facilitates access control, door monitoring and interlock applications.. Backlit buttons, programming via the keypad. Fire/intruder alarm interface. Dual code facility & Duress code option. Interlock facility & 2 additional outputs