... out light normally.As to the halogen tungsten lamp,it will heat the tungsten filament to 2900 degree centigrate ... to burn down. According to the data , halogen tungsten lamp of highest quality can only last 400 hours ... 2500 hours.3, Low power consumption: Halogen lamp usually consumes about 55-60W power while HID ... Feature:1) Model No.: H4(H4 single beam)2) Power: 35W/50W3) Lamp types: H1, H3, H4, H4 ...