1.T10 12V 2*0.5W LED lamp, 2.Made of Taiwan chip, 3.Life:over 10000h, 4. ... prevent tracing cauda etc accidents.2. Low power consumption, energy saving make battery service life growth:LED has quite a low ... light bulb) for 21 w, and LED is about 2 to 3 w, if use five years can save about ... and using the difference is very big, a brightness low, 2 color is not pure, three heat dissipation bad, four short ...