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. and lasting performances.Easy to install and wiring.If you have any questions, please . Package Includes:1x Drive Power Resource Specifications:Type:LED ceiling lamp driving power ballastPower: 8-12W or 8-25W or 22-40WInput voltage: AC180-260VFrequency: 50-60HzCurrent: 250mAColor:WhiteMaterial:PVCSize:Approx.9.5x4x2.5cm or 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.