The fixture body is shaped like a bell, hence the name. A chain suspends the aluminium BELL lighting fixture, giving it a unique appearance. With a diameter of 220 mm and a height of 210 mm, the body can be painted or powder-coated with the choice of RAL colour. 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 : Spun Aluminium Environment ; Indoor Mounting : Ceiling Suspended Light Distribution : Direct Body Finish : Powder Coated Optics : PMMA / Acrylic 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 : 50,000 hours Size And Wattage - 220-15W