Crosby SP SW-SD [2789132] Wireless Scoreboard Slave Display, 100 - 240 VAC. This 100mm (4”) scoreboard LED display is wireless, and has a range of 700m or 2300ft, and is viewable for up to 45m or 150ft. Perfect for installation on a crane gantry, the unit operates on 100-240 VAC and displays an individual load or summed load for up to four Crosby | Straightpoint wireless devices. It will also visually alert the lift operator if an overload has occurred. Please note: the units of the scoreboard are set to be displayed in tonnes as default. If you require it to display in different units (lbs/kg) please specify this when ordering through our sales team, so we can set the scoreboard to display your desired unit.