Check the listing for details. Amazing Condition DSC ADT 64-Zone LCD Full-Message Keypad | PK5500 - PREMPRO. Condition: Used. Listed at 209.99 USD. Hello! Here I am selling a like-new condition PowerSeries 64-Zone LCD Full-Message Keypad from the well-known brand DSC or Digital Security Controls, model is PK5500 – PREMPRO. It was removed from a clean office environment for an upgrade, everything has been well maintained and fully functional. It’s ready for the next use anytime. You will receive one per order, I also ship super fast! FEATURES:l Available in 13 languagesl Global partition statusl Full 32-character programmable labelsl Modern, slim-line landscape keypadl Enlarged keypad buttonsl 5 programmable function keysl Intuitive clock programming*l Input/Output terminal can be programmed to operate as a zone input, programmable output or as a low temperature sensorl 3 one-touch emergency keysl Multiple door chime per zonel Adjustable backlight and keypad buzzerl Wire channell Dual wall-mount and front cover tamperl Easy-to-install mounting hingel Surface or single-gang box mountl AC status ICON