Suitable for: Our electronic ballast is designed to work 2 x 36 watt T8 Fluorescent Tubes Optimization: circuit matching design optimization, electronic ballast is designed to optimize design performance electric of the tube No noise: the fluorescent lamp ballast works without noise, provide you with a more comfortable environment Energy saving: the electronic ballast for the fluorescent lamp can be an energy-saving system provides higher luminous efficiency Eye protection: this fluorescent lamp ballast is non-strobe, which can protect your eyesight T8 Electronic Ballast 2x36W Wide Voltage Sale Fluorescent Instant Start Up Energy Saving Lamp Description Electrical 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 resistance negative of the voltage characteristic of the tube.. Features Electronic ballast -Color: as shown.. -Material: ABS.. -size: 21x3 cm / 8.27x1.18 inch.. Normally, clockwise rotation is boost pressure, counterclockwise rotation is pressure. Package including 1 * Electronic Ballast