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The difference between LED and ordinary flashlight

The difference between LED and ordinary flashlight


The difference between LED and ordinary flashlight flashlight
1, LED flashlight is the outdoor equipment, one can be illuminated, two is in the accident issued a distress signal.
2, LED flashlight cost much higher than the ordinary bulb flashlight, but long life. Compared with ordinary flashlight has more advantages in energy saving, LED currently on the market of the products in terms of energy consumption between the incandescent lamp and fluorescent lamp. But absolutely environmental protection, no pollution. Long life, is recognized as the advantages of LED, but on the market by LED can be said to be uneven in quality.
3, LED flashlight in addition to a fatal disadvantage of the color index is low! The color displayed under LED illumination is not true of incandescent light, which is to be analyzed from the spectral distribution, which belongs to the technical problem. There is also a disadvantage, the spot, due to the white light LED manufacturing process on the defect and with the reflector cup or lens with the error, easy to cause the yellow circle problem. Some manufacturers do not consider the quality of the device and with the problem, complete copy of the other products, the poor quality of the LED flashlight flooded the market, severely damaged the reputation of LED, in this very indignation, to Jiangsu and Zhejiang, Shenzhen as the most. Fake and shoddy products too much. LED flashlight tens of dollars online quality as can be imagined. Of course, the quality of the flashlight is not good.
How to buy a flashlight
1 see myself to use in what occasions, such as night riding, night fishing, camping, caving, patrol etc..
2 see ordinary batteries, battery and lithium battery two, although the lithium rechargeable batteries, but the low life of about 2 years, LED’s life expectancy of about 10 years, can choose according to the actual situation.
3 look at the light bulb, the bulb out of the case, the naked eye is very difficult to distinguish between it’s good or bad, you can see the light bulb consistency.
4 see aperture, good LED flashlight aperture for a circular uniform, poor LED flashlight spot is divided into yellow and blue uneven distribution.
5 to see the brightness, good LED flashlight brightness, slow decay rate.
6 look waterproof, good LED flashlight with waterproof function, seismic performance is good, that is resistant to fall.
7 look at the appearance, this is more than I will see, I do not say more. I chose the aluminum alloy shell, beautiful and generous.
8 choose the brand, the brand is another definition of quality, no good quality can not become a well-known brands, so in the choice of a flashlight, need to look at the brand flashlight.