sk next incandescent lamp, led lamps and halogen lamps have what distinction, which better

3 answer

Led the desk lamp that shield an eye how to choose?

2 answer

When did you buy? If it is just bought, suggest you use first photoelectric charge again

3 answer

The LED fluorescent lamp color temperature probably how many is the best

4 answer

LED lights it is transistor luminescence is not pure resistance filament bulbs, when dimming voltage changing, the frequency is changing so affect rectifier, sudden high voltage will burn out the LED.

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I buy LED lamp light moving light and shade is how to return a responsibility

3 answer

The led lamp low-grade why current sound

4 answer

I charge the battery of LED desk lamp is broken, can put the cell phone battery received above?

3 answer

The study USES the LED lamp?

5 answer

LED desk lamp and ordinary lamp which good?

5 answer

How long will leds last?

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LED bulbs, use in the home, have harm to the eyes?

5 answer

Need to solve the problem of the LED light flashing

4 answer

Do leds have ultraviolet radiation

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Philips lamp with good light bulb or led

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Children lamp good choice led lamp is better

3 answer

The LED lamp can use while charging?

3 answer

Led lamp, good point light source or surface light source

3 answer

I want to ask to buy what kind of bulb to eyes good, leds? How many watts

3 answer

Led desk lamp suits, how many watts of the led lamps are very high colour temperature

3 answer

Buy the LED desk lamp, what should be pay attention to

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What if the led lamp doesn't shine

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New LED small rechargeable lamps filled with electricity or running

2 answer

LED lamp is broken, put it down, things do

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How to repair the led rechargeable small desk lamp

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Light flashing, if is to use the adapter, it is possible that the adapter, try out in later.

3 answer

LED rechargeable lamps didn't work for too long, the result can't shine! How to do?

4 answer

The principle of LED the desk lamp that shield an eye

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Are led lamps good for eyes

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How to distinguish whether the led lamps and lanterns glare, is there a standard?

3 answer