Ø45mm pole mount tower lightsAluminum housing displays a unique metallic luster that defines a high class productExcellent visibility by using a high brightness LED with a special diffusion lensLens maintains a semi-transparent color when not emitting the specific color of the signal under operationSteady mode only(can operate flashing mode with external control) with fixed user selected color arrangementBuilt-in buzzer available (Volume : Max. 90dB at 1m)Materials : Lens-Acrylic, Filter lens -AS, Housing-Al, Pole-AlAmbient operating temperature : -30°C to +50°CProtection rating : Standard type-IP44, Built-in buzzer type-IP23Certificates : CE Compliant, UL Listed