Features: High heat resistance, long lifespan, humanized design, durable, quality assurance. Standard interface, precise alignment, no deviation, stable current, no loose screen, easy to disassemble and install. Made from high-quality materials, offering better thermal conductivity, good heat dissipation, and excellent quality. Provides energy savings across a wide range of indoor and outdoor lighting applications. Applications: Aluminum lamps, dome lights, crystal lamps, mirror front lights, etc. Rated Voltage: AC 220V, 50Hz Power: 22W-40W Rated Current: 0.1A - 0.22A Power Factor: Over 0.92 Lumen Coefficient: 0.9A Size: Length: 11cm (4.33in), Width: 8cm (3.15in) Quantity: 1 pc Note: Please allow 1-3mm error due to manual measurement. Ensure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you. Package Contents: 1 pc x Electronic Ballast