Suitable for: Our electronic ballast is designed to operate 2 x 36 watt T8 Fluorescent Tubes Optimization: circuit matching design optimization, the electronic ballast is designed to optimize the performance of the tube electrical design No noise: fluorescent lamp ballast works without noise, provide you with a more comfortable environment Energy saving: electronic ballast for fluorescent lamp can be energy saving system provides higher luminous efficiency Eye protection: this fluorescent lamp ballast is not stroboscopic, which can protect your eyesight Electronic Ballast T8 2x36W Wide Voltage Sale Fluorescent Instant Start Start Energy Saving Lamp?Description??The electric ballast is placed in series with a load to limit the amount of current in an electrical circuit. It is used in fluorescent lamps to limit the current through the tube, which would otherwise reach a destructive level due to differential resistancenegative of the tube voltage characteristic..??Features??Electronic ballast?-Color: as shown.. -Material: ABS.. -size: 21x3 cm/8.27x1.18 inch..?Normally clockwise rotation is boost pressure, counterclockwise rotation is boost pressure..???Package including??1 * Electronic Ballast