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Need to solve the problem of the LED light flashing
- Don't listen to their blather. I am happy for the hangzhou hong yan electric appliances co., LTD., prevent myopia LED desk lamp, use for two months, flash, happy to buy in the new, two months, crossed and sent to the factory repair, two months later, crossed over the warranty period now, happy to buy, no matter the also don't do this kind of desk lamp, can't, looking at that - all LED flash small, how to also won't be bad, so please people in a dc power supply, not 12 v, so we have to use the 9 v dc power supply, it's no use router didn't effect, good, don't flash at all. This could be a blind cat touch dead mouse, solved the problems of inductance.s
How about the LED the lamp that shield an eye, ok
- The lamp that shield an eye does not recommend the use of LED, LED color temperature above 5000 k more, eyes are the most comfortable the best color temperature between 3500-4300 k, using leds to do the lamp that shield an eye too tired eyes. Recommend the use of three primary colors of eye hair yellow color of the brands
LED lamp, lens type and light type which good,
- Besides, desk lamp, desk lamp is the design standard of infinite close to the sun, because artificial forever than nature. So now the LED lamp like stressed without glare No stroboscopic, no radiation it is for this reason, who is more close to the sun, who is better. Lens is concentrated, shoot the lamp to use more widely. But the lamp's goal is to the sun, condenser is used to make fire, not reading, so the desk lamp of type lens to eliminate. But why want to do the desk lamp of type lens? To be sure, lens type basic it is inferior goods, a treasure to 28 yuan still pack mail. Because it is very low, LED brightness is not enough, so I had to use a lens to concentrated, more brighter. Here again there is a drawback, because leds are more than one, generally has more than 20 a desk lamp. Every one have a focusing lens, the end result is to write ghosting, seriously affect vision. So, choose planar light is better, the use of the sun in the standard.s
How many volts 4 w power led desk lamp
- Depends on what kind of, have 220 v, also has a charging V6, 12 v.s
There are several major disadvantages of LED lamps
- The adapter generally smaller than LED lights, life is short, the transformer is easily brokens
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.s
General how long LED desk lamp charging full of learning
- Depends on the size of the battery capacity, average about 1000 ma, 4 to 6 hours is full.s
The LED lamp electrostatic test pass the corrective actions
- I think the performance of the part and voltage adapter module componentss
Specifications and details about emergency blue lights
- Emergency blue lights provide worthy vehicle flash light bar, it is completed soft and waterproof, faster strobe to be used for an Emergency lights on the vehicle.Emergency blue li...
How much does a traffic light cost
- I think, any traffic police know: how much does a traffic light cost. Now in almost every crossroads, all around are hung with red, yellow, green, three traffic lights of color, it...
How does the traffic light system work
- Everyday, on your way to work, no matter you drive your own car or take a public transportation, you will meet a lot traffic lights which keep the whole city’s traffic under cont...
What's led flashing lights
- Led flashing lights are extremely easy to use and install. When activated, this amazing LED light is nearly impossible to miss, which helps first responders increase their visibili...
How does a traffic light work
- The traffic lights, also known as, traffic lights. Traffic light is made up of red light, green light, yellow light. Red light says no thoroughfare, to green light, yellow light sa...