Orisec 550 LCD keypad with large LCD, Grade 3, 3 inputs / outputs, 128-digit display, lLight sensor, self-adjusting backlight, temperature sensor, 16Ohm speaker driver, dimensions (HxWxD) 115 x 118 x 30mm.

Orisec 500 Series Keypads. Two contemporary, timeless designs to suit any installation. Easy to navigate menu structure with integrated help file. 550 LCD keypad withlLarge LCD,Grade 3, integrated installation manual, 3 zone inputs OR outputs, 128 character display, programmable volume levels, light sensor, self adjusting backlight, remperature sensor, on-board sounder, 16Ohm speaker driver/output.