1 LED

the most common use light source for torch flashlight?are?high power LED and straw hat type LED. Generally, Straw hat type LED’s brightness?is low, around a few lumens, may be a little higher?of?twenty or thirty lumens, it’s?relatively cheap?because of?low brightness. The most commonly used is the high power LED .This type led is divided into domestic and imported. Domestic LED’s price is?relatively?cheaper, but the brightness and process are not so good compare with?imported led. Now many flashlights are used of imported CREE LED.CREE led flashlight .In Chin,very common cree led ?flashlight brands are fenix, tank007,and nextorch.

The power of CREE Led from 1W to 10W or?even?more, there are a variety of models. At present, the single chip?of CREE that?commonly used?models are: XP-G Q5/R5/T6/U2. Multi-chip commonly used is?MC-E CREE. The CREE LED is XM-L?is very good.?The United States Luminus SST series represents?higher brightness, but the price is very?high. Considering each manufacturer’s sales and manufacturing costs, SST series are?not so?cost-effective as CREE. Other brands, such as SSC, Nichia?are hardly saw on the?market.

2 XENON?with Yellow light.

It is similar with halogen bulb. Is more common in the early flashlight, but you can also see them on market as?the price is low.its?light source life is shorter, generally continuous light is?tens to hundreds of hours, but many?people?love this?warm light and its?adaptivity?and better reliability.

3.HID (high pressure gas discharge lamp)

It?is used in cars?with white light,and its?brightness is the highest?currently. In the higher types?even?have thousands of lumens.?But?when used in?a flashlight, it has a large?size and slow start?time,also,its?life expectancy is only?dozens of led.

4.halogen bulb

You may often see halogen bulbs in?the home flashlight.?Generally,?household halogen lamp flashlight (such as tiger?brand) is?very?cheap, and it is?warm light?in common feature.