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 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, etc Rated Voltage: AC 220V, 50Hz Power:22W-40W Rated Current:0.1A - 0.22A Power Factor: Above 0.92 Lumen Coefficient: 0.9A Size: Length: 11cm(4.33in) ,Wide: 8cm(3.15in) Quantity: 1PC Note: 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 you Package Contents: 1PC x Electronic Ballasts 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.