Technical Information:; Fully addressable for 240 devices in up to 20 zones High visibility 4 line liquid crystal display with LED backlight Separate LED indication for zone of alarm Programmed via: Panel 12 button keypad, PC interface via USB memory stick and USB QWERTY Keyboard. Built in power supple and charger for 12V 72hr standby as standard Programmable fire / fault relay Programmable sounder circuits 2 x hardwired programmable monitored inputs Compact enclosure permitting siting in restricted spaces Internal memory can be backed up to PC or proprietary memory card Programmable function key Sophisticated configuration settings allow complete user flexibility Complies with all applicable requirements of BS5839 and EN54