Bright digits, L.E.D. seven segments, 6 digit, max 999999. For indoor use away from direct sunlight for best viewing. Displays that will mount outdoors in direct sunlight should use the Model TSR-M for sharpest contrast and maximum clarity. Serial input RS232C, 20 ma serial current loop, active or passive. 1200, 2400, 4800, 9600 baud, 7 or 8 data bits, odd, even or no parity, 1 or 2 stop bits. No setup is required. Just connect the signal wires. Press the LEARN button and the Smart Remote sets itself up. Rugged enclosure is weathertight for harsh environments. Available in painted steel or stainless steel. Mounting is either panel, desk or U Bracket which allows a full 360 degree swivel and easy tilting for the optimum viewing angle. -40 deg C to +75 deg C. 115 VAC, 60 Hz. Other operating voltages such as 12VDC, 24VDC, 230VAC, 50Hz are available as a special order at no additiional charge.