Auto hid head light system Advantages: 1) saving power: only 35w electric power, it saves 40% for the electricity consumption, improve the vehicles' performance and save the energy correspondingly 2) safe: when the accident happens, in order to protect the personal security, the circuit of the ballast can cut off high-tension electricity at once and high insulating electric wire and defending the electromagnetic interference design To make you very ease 3) high luminous: it is 3 times more luminous than the common lamp, shine high, more widely, father, make your car be safer 4) good color temperature: 4, 300-12, 000k 5) longevity life: more than 3, 000 hours 6) complete specification: hid lamp is available for all kinds of vehicles 7) installation convenience: you only need insert the hid bulb into the original lamp hole, fix ballast and connect the cable of power supply. (it needn't change the original parts of vehicle) 10 sets per box