DescriptionThis is a long lasting 55W AC digital HID ballast with smart chip of high technology and slim design for tight space installation. It greatly reducing vehicle power system load .Waterproof, shockproof, heat resistance, and anti electronic interference.Widely implied in 12V truck, 12V bus, 12V off-road vehicle, and 12V tractors,ect.Feature- Color: Black - Material: Metal - Size: 8 x 6 x 1.5cm - Input Voltage: DC 12V - Operating temperature: -40~105 - Power: 55W - Working Hours: more than 2000hours - Long Lasting 55W AC digital HID ballast with smart chip of high technology and slim design for tight space installation. - Greatly reducing vehicle power system load - Waterproof, shockproof, heat resistance, and anti electronic interference - AC Digital Technology prevents flickering by adapting to the electronic pulses of your vehicle, which offer faster, cooler, and quieter performance - Widely implied in 12V truck, 12V bus, 12V off-road vehicle, and 12V tractors,ect