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supfireflashlight

The flashlight in accordance with light-emitting principle basically divided into three categories: 1, The most widely used one is the traditional light bulb flashlight.Light bulb flashlight using tungsten resistor heating to power and light, the key to the performance of this flashlight is if the light bulb technology is good or bad. The more regular tactical flashlight light bulb is application of the two means at the same time which means they both charge xenon and charge iodine. The production is very sophisticated. The lamp waterproof flashlights life can guarantee in 5 to 30 hours or switch thousands of times. But because of the discrete lamp life, its value is only approximate values, and it is difficult to specifically say which lamp life is longer in the actual use. Good bulb high brightness, long life, low-quality bulbs are very poor, easily burned.The luminous efficiency of the lamp is about 10 ~ 15 lm / W (premisely the bulb quality pass, low-quality bulbs lower luminous
Category: Local | Created 2012-04-02

The linear regulator will reduce efficiency