Tough, dependable and weatherproof. Mild steel with powder coated finish. 6 digit 7 segment, no glare lens LED display. Annunciator lights for: GR, NT, lb, kg. 5 standard communication protocols. Selectable day and night brightness levels. Power save mode. Built-in relay for external traffic light control (except 2"). Leading zero suppression. Optically isolated port for lighting protection. Switch selectable configuration and options. RS 232, RS 422, RS 485 multi drop. 20 mA current loop active and passive. 90 to 240 VAC. 2 year warranty.