Features : *Beautiful new design *Compatible with 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 * EN50131 Grade 2.  Availability: Pre-Order  Model: PA3850  Manufacturer:  PARADOX