Features: 1.Optimization of the circuit matching design,optimize the performance of the electrical design of the tube, high performance, long life. 2.Energy saving system higher luminous efficiency and better. 3.No stroboscopic, protect your eyesight. 4.No noise, provide a more comfortable environment. 5.2x18W/2x30W/2x58W ballas Input Voltage: 220-240V Power: 2x18W/2x30W/2x58W Size: Length: 21cm(8.27in) ,Wide: 3cm(1.18in) 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:(Without retail package) 1 x Electronic Ballasts