Item Name: GL-DW50R2 GL-DW30R2 GL-TR10R2 GL-TR10R2 GL-TR10R2Dimmension(mm): Dia190X160mm Dia 165X135mm Dia 140X120mm Dia 112X90mm Dia85X67mmOptical ParametersLumen Flux: 4500 LM,50W 2700LM,30W 2250LM,25W 1620LM,18W 720LM,8WEfficacy: 90lm/WCCT: 3000K/4000K/6500K OptionCRI: 80,90Beam Angle: 15/24/36/60°Hole size: 180MM 150MM 130mm 105MM 75MMElectrical and Mechanical SpecificationsInput Voltage: 200-240VacPower Consumption: 50W 30W 25W 18W 8WPower Factor: 0.9Flickering: Flash freeCover Lens: reflector,lensHousing: Iron White finishedSystem SpecificationsDimmable: On/Off, DALI, 1-10V, TRIAC, Dimmable OptionInstallation: Surface,suspending,RecessedOperating Tem.: -20°C to +40°CStorage Tem.: -20°C to +80°CEnvironment: Indoors use onlySafety Approval: Electrical Protection Class Ⅱ CE, RoHSWarranty: 3 Years and 5 Years Warranty Option