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 ballast Power: 8-12W/8-25W/22-40W Input voltage: AC180-260V Frequency: 50-60Hz Current: 250mA Color:White Material:PVC Size:Approx.9.5x4x2.5cm/3.74x1.57x0.98in Quantity: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.