LED single tube power 0.03-0.06 watts, using DC drive, single tube driving voltage 1.5-3.5 volts, current 15-18 mA, fast response speed, can be operated at high frequency. In the case of the same lighting effect, the power consumption is one-eighth of incandescent bulbs and one-half of fluorescent tubes. According to Japanese estimates, if LEDs with light efficiency twice as high as fluorescent lamps are used to replace half of Japanese incandescent lamps and Fluorescent lights. The equivalent of 6 billion liters of crude oil can be saved every year. In the case of bridge guardrail lights, a fluorescent lamp with the same effect is more than 40 watts, while the power of each LED is only 8 watts, and it can be changed in colorful colors.