How to buy High Power Led Flashlight
July 02, 2020
one look at the bulb
![the bulb]( "the bulb")
1, number spectacle, the first number to be moderate. Household
generally not more than 12, use the battery in Section 2-3 is good, and
then a bit big waste for other special needs you may need to set
ourselves. Of course, high-power Hight Power LED Flashlight generally can not reach the number of 12's.
2, see brightness, high brightness LED flashlight good, slow decay.
3, see the light bulb, in the case of extinguishing the naked eye it
is difficult to distinguish between good and bad, you can see the
consistency in the bulb lit situations.
4,
see the iris, a good LED flashlight a uniform circular aperture, LED
flashlight spot the difference into uneven distribution of yellow and
blue. Bulb condenser side try to focus a little. Unlike ordinary flashlight This flashlight can adjust the focus, the purchase should be careful not to have astigmatism.
Two internal structure
![LED flashlight]( "LED flashlight")
1, see welding, soldering to prison. Each diode is connected to the circuit board by soldering, if Weld a
bad contact, it may cause bulb does not light or affect the overall use.
2, look at the battery, there are two kinds of ordinary batteries and
lithium, although lithium is a rechargeable battery, but the low life,
about 2 years, LED life of about 10 years, can be selected according to
the actual situation.
Three external structure
![flashlight]( "flashlight")
1, see the water, a good LED flashlight with waterproof function, seismic performance, namely ruggedness. Because it is electronic products, flashlights front there is a board, once the water prone to short circuit, causing damage.
2, look at the appearance, you can choose aluminum shell, beautiful and generous.
3,
see the appearance, with the situation according to the specific use
and purpose, select the corresponding dimensions of moderate size
flashlight.
