Compatible with E55/E65, MG5000, MG5050 and Spectra SP series Supports StayD Mode 32-zone LED display Separate Arm, Sleep, Stay and Off LEDs per partition In-field firmware upgrade via 307USB and WinLoad 1 keypad zone input Independently set chime zones 7 one-touch action buttons 3 keypad-activated panic alarms Adjustable backlight Connects to 4-wire communication bus