4" High Red LED Digits (adjustable intensity) Slave Display with up to 6 Digits of Serial ASCII Data Dual Display Buffer Allows Alternating Displays Connects Directly to Red Lion Products with Serial (RS-232/485) Programmable User Input 50 to 250VAC / 21.6 to 250VDC Universal Input Power Aluminium Case Construction 660 x 200 x 58mm Dimensions