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FAQ

The LED fluorescent lamp color temperature probably how many is the best
This is hard to generalize. Because of individual differences, habits and customs is different, also different for lighting light color temperature preferences. In general, white people prefer warm color light (2700 ~ 4000 k), the reason is that this kind of lighting light of skin appear ruddy health; Most of the yellow race like daylight color white light (5500 k) or slightly cold blue pigments, the reason is that the light appears bright.
Whether the LED desk lamp, luminous points: two guide plate and the patch?
LED lamps light source generally have patch light, into the light, and power source, there is also a surface light source. But more popular on the market at present is made of tiles and is by the desk lamp of light after diffusion of light guide plate, so the light will be soft not dazzling! But no matter what kind of light source, LED desk lamp is not main lamp power supply shall be without stroboscopic is the most important thing, is good for your eyes desk lamp. Because whatever the source, as long as meet the function of the lamp lighting the reading, the second function is to protect his eyes.
LED the desk lamp that shield an eye to choose good warm light or white light is good?
There is no white or warm white light, white light (more than 5000 k) bright point, feel good, as the object dyeing, less suitable for things looked fine, warm Bai Guangguang color yellow (below 3500 k), similar to the incandescent light, give a person with sweet feeling, suitable for one set his mind at to do something, but there are certain dyeing effect, also need not too extreme, actually can buy demitint between 4000-4500 k, with only a little yellow not had to take care of?
Charging indicator has been on desk lamp, led lamp is not bright after rotary switch
The lamp plug is bright, have nothing to do with the back. Led not bright need to make sure this a few places, is there any battery, led to have bad, switch to have bad, line if there is any break in the middle. Best use multimeter measure.
How to distinguish whether the led lamps and lanterns glare, is there a standard?
Glare can be divided into disability glare and arrow glare. Who reduce eye glare called a disability glare, it will be Reduce the visibility of the visual object, but not necessarily produce uncomfortable feelings; Who make the person produces the feeling of displeasure glare is called no Comfortable and glare. Cause glare of led lamps and lanterns has the following four major factors. (1) the light source brightness factor: the higher brightness, glare, the more significant. (2) light source location factor: the closer it gets to the line of sight, glare, the more significant. (3) the light source appearance size and number of factors: the apparent area, the greater the number of light sources, the more the glare, the more significant. (4) the surrounding environmental factors: environment brightness is dark, eyes adapt to lower brightness, glare also becomes more significant. Dazzling light not light, but for the concept of lamps and lanterns. Leds - t8 fluorescent lamp has been rise, are alternative Fluorescent lamp market, due to the lamps and lanterns is ready, can't change, leds - t8 fluorescent lamp needs to ordinary fluorescent effect Fruit near, thus formed the concept of glare. Anti glare products, need to consider the brightness of the led, led between the row Cloth, spacing, the led itself to the distance of the optical cover, the shape of the optical cover, light transmittance, etc., rather than simple Shell or configuration problem.
The lamp that shield an eye is not flashing, but changed to high frequency. Now LED lights are popular, but the use of communication to the dc LED lamp is not flashing, after all, he's a direct current is also a half wave, not straight?
OTT electrical appliances shenzhen | ten steps, readily available, the man said I will not repeat the stomach, LED light bulb is very expensive, not necessary. Energy-saving lamps.
sk next incandescent lamp, led lamps and halogen lamps have what distinction, which better
So only the halogen lamp, but is low voltage halogen lamp, need a rectifier, and halogen lamp itself temperature is high, pay attention to the heat dissipation, color rendering index selected 90-100, color WenXuan 2700 k, the best for you.
LED lamp in the 4 v lead-acid battery charging problem!
Does not restrict discharging termination voltage, lead-acid battery charging voltage from 4.6 V to 4.8 V. Constant current charging, small floating charge current, constant voltage is usually charge for 10 hours, one night, to artificial electricity stops charging.