Features : * Compatible with MG500 MG5050 and Spectra SP series * Supports StayD Mode *10-zone LED display * Separate Arm Sleep Stay and Off LEDs per partition * Patented Key Light display (button lights up to indicate an open zone) *1 keypad zone input *Independently set chime zones * 7one-touch action buttons *3keypad-activated panic alarms *Adjustable backlight * Connects to 4-wire communication bus * EN50131 Grade2 Availability: Pre-Order Model: PA3840 Manufacturer:PARADOX