Suspended luminaire made of concrete material. The shape is conical in the side and square in the bottom. PMMA diffuser is used for spotless light distribution. Available in sizes of 300mm and 450mm in height. Electrical Input Voltage : 180 - 280 AC 50Hz Driver Type : Constant Current Driver Control : Switch / DALI / Analog Connection : Plug-in Type Pre-wired General Characteristics Appliance Class : Class 2 Ingress Protection : IP40 Photobiological Safety : RG 0 - No Risk Ambient Temperature : 0 to +50C Luminaire Housing Material : Concrete Environment : ndoor Mounting : Suspended Light Distribution : Direct Body Finish : Concrete Optics : PMMA Diffuser Driver Mount : Inside Canopy Cup Thermal Management : Passive Cooling Light Source : LED Medium Power LED Binning : 3 Step MacAdam Luminous Efficacy : 95 Lm/W Color Temperature : 2700K / 3000K / 4000K / 5700K / 6500K CRI : 80 (Standard) 90 (Optional) Tunable LED (Optional) UGR : < 19 LED Life : > 50,000 hours Size And Wattage - H300-10W H450-15W