Features: brand new and high quality Optimization of the circuit matching design,optimize the performance of the electrical design of the tube, high performance, long life. Energy saving system higher luminous efficiency and better. No stroboscopic, protect your eyesight. No noise,provide a more comfortable environment. Prevent fluorescent tube from flashing and buzzing when powered on. Specifications: Material:ABS Size:Approx.21x3x2cm/8.27x1.18x0.79in Type:1x18W,1x58W Net Weight:100g Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x 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. Sold by-Minnanxin