Features:This LED controller be suitable for bottom lamps, ceiling lamps, wall lamps, etc.It has short-circuit protections, overvoltage protections, overcurrent protections and overheating protections.High quality and lasting performances.Easy to install and wiring.If you have any questions, please contact us. Package Includes:1x Drive Power Resource Specifications:Type:LED ceiling lamp driving power ballastPower: 8-12W/8-25W/22-40WInput voltage: AC180-260VFrequency: 50-60HzCurrent: 250mAColor:WhiteMaterial:PVCSize:Approx.9.5x4x2.5cm/3.74x1.57x0.98inQuantity:1pc note:Please allow a little error on the size due to manual measurement.The color might exist slightly difference due to different displays.