Led Desk Lamp with USB Port RGB Color Changing Led Desk Lamp

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China main port
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TT OR LC
Min Order Qty:
50 pc
Supply Capability:
50000 pc/month

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Item specifice:

Color Temperature: Warm White IP Rating: IP54 Lamp Body Material: ABS
  ,,,,, Power(W): 6

Product Description:

Led Desk Lamp with USB Port RGB Color Changing Led Desk Lamp

 

With the development of technology, owning a smart desk lamp is very helpful for our life. 

 

Features:

1. Smart foldable design

2. PC and ABS body

3. Hand touch switch with dimmable lighting

4. Opened as table study light

5. Folded as lantern or hanging light

6. Portable for camping, travelling

 

Advantage:

1.    No screw from whole lamp

2.    No UV

3.    No flicking

4.    Eye-protective

 

Specification:

Model:

CNRD-1104

Material:

PC+ABS+SMD

Voltage:

AC100-240V  DC 12V 

Lumen:

600lm

Color Temperature:

6000k

Function:

3 dimming

 

Application:

Led Desk Lamp with USB Port RGB Color Changing Led Desk Lamp

Led Desk Lamp with USB Port RGB Color Changing Led Desk Lamp

Led Desk Lamp with USB Port RGB Color Changing Led Desk Lamp

Led Desk Lamp with USB Port RGB Color Changing Led Desk Lamp

FAQ:

1.Q:What's your payment terms?

   A: T/T or L/C

2.Q:When could you send me the samples

   A:2-3days

3.Q:How long is the bulk time?

   A: About 8-25days

4.Q:Do you also sell other kinds led lights?

  A:Yes, we also supply led bulbs, spotlights, led light, led tube light ,ceiling light etc.

 


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Q:The service life of LED lamps and lanterns is true?
Theory is a 30000 h - 50000 - h (semiconductor diode). 1. The chip encapsulation (not the same environment, affect the life. And the light bulb how to low the situation is not possible, this is a standard) 2. The power drive power supply (electronic products, general is 2 years,) 3. The lamps and lanterns, the whole life is a long time, generally 2 to 3 years.
Q:Are LED lights compared to dc lights?
The desk lamp of ordinary incandescent light bulbs with energy-saving lamps, bulbs and tubes in the current is an alternating current. Incandescent lamp current is ac mains, 50 hz, on and off the 100 times per second. Filament is high temperature heating, heat capacity to a certain extent, to cool and hot, stroboscopic was not obvious, but low light efficiency, energy saving. Energy-saving lamps, is the mains ac rectifier dc, again for the high frequency inverter (several thousand Hz) communication, energy saving, stroboscopic is not obvious, not like a normal fluorescent lamp. LED desk lamp, the energy conservation, but see, on the market at present basically is a built-in battery, use mains charging can't use the lamp, can light up from the mains before, often charging more than 6 hours, often should charge, so if used in a short time is can, such as to use for light continuously over a long period of time, is not convenient. LED flashlight, with short time, it is very good. Leds are English light emitting diode (LED), its basic structure is an electroluminescent semiconductor chip, silver white glue or adhesive curing to the bracket, and then use silver or gold wire connection chip and circuit board, and then sealed with epoxy resin around, protect the internal core, final installation of the shell, so the LED of the seismic performance is good. Using field involving mobile phone, desk lamp, household appliances and other daily household appliances and machinery production. DC (Direct Current, DC), also known as the "constant Current power", a constant Current is a kind of Direct Current (DC), is the Direct Current (DC) are the same size and direction, it is discovered by Thomas Edison. In 1747, the United States put forward the law of conservation of charge, according to the experiment of franklin and defines the term of positive and negative charges.
Q:LED lamp general 6/7 w is very bright, is too light is bad for your eyes
Light is not bright, can be sure is there is something wrong with the wire or internal charging circuit has a problem. Judge fault: 1, if the line is broken, looking for businesses of the same wire, in a first try (don't have to buy wire to test), indicator is not; 2, the light is bad, but little chance (if this is the case, the battery doesn't charge into the electricity, the battery has high pressure resistance state sulfide, battery need to be repaired). 3, internal charging line fault: most likely internal CBB capacitor to boil road, need to change. For this kind of lamp, the most easily broken electronic components in the charging circuit is the CBB capacitance. Can go to the repair shop repair. Only more than 1, 3 kinds of possibility is high, the highest 3, was ruled out small battery (internal small battery) problem, because the light is not bright, batteries to electric light advocate the lamp, that the battery is resistance, capacitance resistance step-down charging circuit to charge of no-load voltage can reach more than 300 v, is impossible, and no current flows through the indicator as long as is good will on, even if the battery fully charge it into electricity, indicator light will be bright. I have a problem is battery repair instrument design engineers, can ask me, I design the battery repair instrument can repair indicator but any vulcanization of battery and charge it into electricity. There is a way to judge whether there is a current through the, is at the moment of plugged into the plug has a tiny 1 of "pa", or "chip", close to the ear, can hear, careful observation can even see tiny spark, then the CBB capacitance not bad, but the light is bad, and the battery has the possibility of sulfide. Downstairs and a brother named longsheng fushun said about the battery internal resistance and resistance capacity no-load voltage of charging circuit, considered a battery sulfide failure (charge it into electricity, indicator), but not necessarily.
Q:The LED rechargeable lamps can charge while lighting? The reason?
Can't, or it will burn out all on your desk lamp led diode, the reason is that the charger is not isolation transformer, but electronic charger, electronic charger with high pressure when charging, if turn on the light use, breakdown, all leds, so can't charge while lighting
Q:Long card LED charging small desk lamp
Use desk lamp of 5 hours a day, a month how to use electricity. This kind of LED desk lamp is very energy. If you are only used for lighting, can answer 0 degrees, almost no electricity, electricity meters are invisible. If you want to study how much degree, the za to calculate. 12 lamp holder is 12 leds, each press 3 v, 25 ma calculation, power P = 12 * 3 * 25 = 900 mw = 0.9 W, before considering other loss, even if the power is 1 W. 1000 watts of electrical appliances use 1 hour to 1 KWH 1 KWH, the desk lamp of 1 watt 1 months use 150 hours is 0.15 KWH. So for the average person can answer 0 degrees. Do you have any questions? Can you give me a message!
Q:Low voltage LED desk lamp belongs to the scope of 3 c certification
Low voltage LED lamp -- -- -- -- -- is 220 v electricity, or the battery? Pick up the 220 v power will have to do the CCC certification
Q:The LED lamp how to realize the function of adjustable brightness and color temperature?
Simple dimming can be concatenated in the LED lamp bead loop resistance, change the current, can adjust the brightness, better with adjustable brightness of PWM pulse width adjustment, circuit is more complex. Color temperature seems to be no commonly, by LED lamp bead characteristics (fixed) materials and manufacturing has decided, unable to adjust.
Q: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
Q:How to repair the led rechargeable small desk lamp
All is bright or not bright? If it is not all bright, check the input part is whether links of control circuit of rechargeable batteries and short circuit or open circuit;
Q:General led desk lamp how much a led lamp is usually how many watts
With 7 w leds is enough.Long time reading or writing homework eyes not easy fatigue!

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