Features: 1. Optimized circuit design for improved electrical performance and tube efficiency, delivering high performance and long life. 2. Energy-saving system with higher luminous efficiency. 3. Flicker-free operation to help protect eyesight. 4. Silent operation for a more comfortable environment. 5. 2x36W ballast Input Voltage: 220-240V Power: 2x36W Size: Length: 21cm (8.27in), Width: 3cm (1.18in) Quantity: 1PC Note: Please allow 1-3mm error due to manual measurement. Ensure you are comfortable with this before purchasing. Due to differences in monitor displays, the image may not reflect the actual color of the item. Package Contents: 1 x Electronic Ballast 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.