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FAQ

Led charging folding desk lamp it can directly plug
Charging desk lamp is LED (Light Emitting Diode) the desk lamp of the light-emitting Diode as Light source, with lithium battery and USB charging function, the LED is a solid-state semiconductor devices, it can be directly put DianZhuan into Light.
The service life of LED lamps and lanterns is true?
In theory LED (single light emitting diode) life can reach 100000 hours. But after assemble into lamps and lanterns, also related to the life of the other electronic components. That is the life of the LED lamps and lanterns of less than 100000 hours might fail, is not necessarily the LED itself, it is possible that the power of the chip, electrolytic capacitor and other components out first. And now many LED manufacturers, the quality is good and bad are intermingled.
LED dual-mode folding desk lamp on external what meaning be
LED desk lamp with ac plug, directly into the 220 volts alternating current (ac) above, turn on the switch, the lamp light, this is a built-in power supply. Accordingly, it is often said that the exchange desk lamp.
Led desk lamp and common desk lamp which is good
The launch of the white light LED light source can form mainly consisted of 450 ~ 455 nm wavelength of the blue light stimulate phosphor powder, including lower wavelength firing ability are more strong. Usually LED lights factory within a 500 - nm wavelength control, generally is 450 ~ 455 nm or 455 ~ 460 nm, belong to the strongest radiation damage extents
A led desk lamp always zi zi ring is how to return a responsibility?
Inside thrum have poor contact, look at the best, don't have accidents
How many good study led desk lamp
LED lamp general 6/7 w is very bright, too light is bad for your eyes, Color temperature 4000-4000 about the most appropriate.
I want to buy a charging desk lamp, LED lamp brightness seems a bit low, if it is a 13 w the lamp that shield an eye brightness LED small bulb, how many is needed to achieve the same brightness?? Have LED to the eyes good yao I to a charge of desk lamp, thank you
The best or dc lamp Now are using the compound light lamp There is a patent for invention
Need to solve the problem of the LED light flashing
Confirm your 12 v charger ac components have? Using the multimeter, exchange files have measure ac voltage, and you want to confirm what you said is the lamp bead board was flashing (that is specialized flashing LED lights with IC control board).