This unit has call-forwarding, flash and time zones. Door King PC controllable - These units are used when controlling access to a set of doors or entrances from a single location. They can interface with serial printers, laptops, or a central computer. Usually recording the last several thousand events in its residual memory, they can be downloaded for later study or printed out for an accurate reading of who is coming and going from which doors. Keypads - One optional accessory is the digital keypad.
Several types are available.
The least expensive are the single code keypads with a membrane keypad. This resembles the type of keypad found on most microwave ovens. 10 to 1000 codes. 150.00 Safety Devices - These items are very important. We highly recommend using one form or another.