Feature 1.Dimensions:300,400mm 2.Input Volatge:80-280VAC-50/60Hz , 12V/24VDC 3.Housing Material: PC or Die-casting Aluminium 4.Ambient Temperature:-40°C +80°C 5.Power Efficiency: >90% 6.Viewing angle:>±30° 7.Protection Rate: IP54 8.View Distance: >100m We offer personalizedThe combination of solar energy and traffic lights service to all our clients, providing appropriate and innovative solutions to meet their individual requirements. Applications Usually use for construction truck for Traffic Guide Waring.parking lot,toll station,Railway Signal.