Model JR-6W-W-5730 Material Aluminum alloy + copper foil circuit board Color White + silver + yellow Quantity 1 Emitter Type 5730 SMD LED Total Emitters 12 Power 6 W Color BIN White Rate Voltage 19~22 V Luminous Flux 540 lm Color Temperature 6000~6500 K Connector Type Soldering Application Great LED light source for ceiling lamp Features Outer diameter: 11cm; Inner diameter: 7.4cm; Lighting ring thickness: 0.2cm; Single layer; Base material: aluminum; Insulating material: Organic resin; Inflaming retarding: VO board; Processing technic: rolling foil; Reinforcing material: Glass fabric; Insulating resin: epoxy resin (EP) Other Convenient to solder low thermal resistance quick heat transfer; Surface treatment: Anodic oxidation (white); Thermal conductivity: 1.6; Low calorific value good lighting effect great for ceiling lamp Packing List 1 x LED light module