Features:High heat resistance, long life, humanized design, durable, quality assurance.Standard interface, precise alignment, no deviation, stable current, no loose screen, easy to dismantle and install.Made of high quality materials, better thermal conductivity, good heat dissipation, excellent quality.Provide energy savings in a wide range of indoor and outdoor lighting applications.Applications: Aluminum lamp, dome light, crystal lamp, mirror front lamp, etcRated Voltage: AC 220V, 50HzPower:22W-40WRated Current:0.1A - 0.22APower Factor: Above 0.92Lumen Coefficient: 0.9ASize: Length: 11cm(4.33in) ,Wide: 8cm(3.15in)Quantity: 1PCNote:Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank youPackage Contents:1PC x Electronic Ballasts