Electronic Ballast for Ring Lights, Fluorescent Tube Ballasts RectifierFeatures: High temperature resistance, long service life, humanized design, durable, quality assurance. Standard interface, precise alignment, no deviation, stable current, no loose screen, easy to disassemble and install. Made of high quality materials, better thermal conductivity, good heat dissipation, excellent quality. Provide energy savings for a wide range of indoor and outdoor lighting applications. Applications: Aluminum Lamp, Dome Light, Crystal Lamp, Mirror Front Light, etcDescription:Rated Voltage: AC 220V, 50Hz Power: 22W-40W Rated Temperature: 0.1A - 0.22AW Power Factor: Above 0.92Luminous Intensity Factor: ≧ 0.9A Size: Length: 11cm (4.33 inch), Width: 8cm (3.15 inch)Quantity: 1PC Note: Please allow 1-3mm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Contents: 1pc x Electronic Ballasts High temperature resistance, long service life, humanized design, durable, quality assurance. Standard interface, precise alignment, no deviation, stable current, no loose screen, easy to disassemble and install. Made of high quality materials, better thermal conductivity, good heat dissipation, excellent quality. Provide energy savings for a wide range of indoor and outdoor lighting applications. Applications: Aluminum Lamp, Dome Light, Crystal Lamp, Mirror Front Light, etc