First, according to international standards, light 1 second luminous flux of 20%, 4 seconds to reach more than 80% brightness is qualified ballast, really instantaneous light flicker, the night will be very light to help the car.
Second, the starting way, there are two kinds of ballast start, one is cold start, the ballast and the bulb are in the cooling state when the lights; the second is hot start, refers to the ballast and HID light bulb are in normal working temperature Lighting, this state you do repeated continuous switch action, good quality ballast lighting normal, some Ballasts will appear light is not normal, the light bulb will have a bright one does not shine phenomenon, to be cut off the power to re-open , The latter is clearly poor quality.
Contact: Cindy H
Company: Zhuhai CDHlighting Co.,Ltd
Add: Fushan Industrial Park,Doumen District Zhuhai.GD.China