36Led Usb Led Reading Light

Ref Price:: $2.06 - 4.12 / pc

Loading Port:: Ningbo

Payment Terms:: L/C,T/T

Min Order Qty:: 3000 Pieces pc

Supply Capability:: 100000 Pieces Per Year pc/month

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Feature

1. 36pcs super bright LEDs
2.Lasts up to 1000000 hours
3.Comes with USB cable
4.Color : Black
5.On/Off switch
6.USB or Battery power operation
7.Flexible goose neck (25cm)

Application:

dimmable led reading light , led reading light , led light

For purposes of reading, writing, drawing, design, computer operation, documentation in office, family or other learning places.

Customizing Options

We accept OEM/ODM, Customer's LOGO can be printed on the product and various colors are available.

Delivery:

Shipping Service	Estimated Delivery Time
DHL	2-8 business days
FedEx	3-8 business days
TNT	2-10 business days
UPS	1-7 business days
EMS	6-14 business days
ePacket	7-12 business days
China Post Air Mail	7-15 business days
China Post SAL	14-30 business days
By sea	30-40 business days

1. 3-10 business days for Sample Orders; 7-40 business days for Bulk Orders.

2. "Business days" means Monday-Friday, excluding holidays.

3. DHL and UPS cannot ship to military or P.O. boxes address.

4. The Shipping Service above is for reference only, for any other questions, please feel free to contact us.

Q:A LED light source is, but is not a plug-in, the power supply is a similar phone charger that this kind of desk lamp belongs to direct current (dc) or an alternating current, will it be a stroboscopic?: Have commonly, you take your camera to see, a see will know, cell phone can also

Q:How many watts of LED3 is equal to the ordinary energy-saving lamps: Led3 tile, led3 tile how bright, 11 w energy-saving lamp is equivalent to, energy-saving lamp wattage, how many watts of energy saving lamps, energy-saving lamps how many watts, 3 w energy-saving lamps, energy-saving lamps, how many tile home how many tile energy-saving lamps, 13 w energy-saving lamps,

Q:With few desk lamp LED tile good children: Country "GB_50034-2004 building lighting design standard", the residential building lighting standard writing reading class and school building lighting standard - the surface of desk intensity of illumination should be 300 lx, light source color temperature reading class, the middle color (color is white or call sun) 3300-5300 k; Color rendering index of 80 or more; These values are based on human visual physiological and psychological data by a large number of experimental statistical summary science, can choose valuation this table lamp for reference, if the table lamp luminous surface 30-40 cm from desktop and 300 lx illumination, carry light source flux for lm (lumens) 700-700, according to the mid-range market products around 8 w and 10 w (each w90lm), remember that is not consumed power light source power, a lot of people misconstrued, 10 w consumption (input) subtract 2 w is the source power. Color warm color rendering index can't be ignored, especially the price of children eye development period of color vision culture important, many products can not meet the color rendering index (Re) of 80, more than white bluish violet color temperature with the so-called blue light pollution, increase eye fatigue. Luminous flux and color temperature, color rendering index above normal manufacturer must be marked on the nameplate or storyteller packaging. , telescopic type desk lamp if actual use away from the desktop, want to consider to increase the flux and the adjustable light, also do not have strong will accelerate the eye fatigue, finally buy anti glare (such as with opaque chimney design) products, namely children under normal posture eyes should not be directly see light or shiny surface.

Q:Heard that LED energy saving effect is very good, but in the family use, very dazzling LED? Harm to the eyes? Can not find a standard answer online, please help!: I'm a little confused You this does not display the word Do only light That you don't need to control card

Q:LED lamp rushed into electricity, no battery is bad, but is not into electricity, charging indicator light (not bad) didn't also bright, is how to return a responsibility?: The current charging lamp pass much, just buy a new can also, the longer the storage function will reduce in the end just charge it into electricity, problems in the internal rechargeable battery, it is no longer able to store energy so I won't charge electricity. Tell you I have a you so the desk lamp of the same, not thoroughly with the eight months, I finally changed only USES a small battery now. I can because I love electronics repair maintenance.

Q:Whether the LED desk lamp, luminous points: two guide plate and the patch?: Yes, with the guide plate is commonly known as the "light", luminous uniformity is better than patch directly on the shiny surface, but the cost is much higher.

Q:Light flashing, if is to use the adapter, it is possible that the adapter, try out in later.: Common lamps and lanterns can hold the LED light bulbs, as long as the lamp holder matching. LED lights: the abbreviation of English words, the main meaning: = LED Light Emitting Diode, the light-emitting diodes (leds), is a kind of ability to electric energy into visible Light solid state semiconductor devices, it can be directly put DianZhuan into Light. Traditional incandescent lamp (tungsten lamp), high energy consumption, short service life, under the circumstances of global resources nervous, has gradually be governments it is prohibited to produce, then substitute products is electronic energy-saving lamps, electronic energy-saving lamp is more energy saving effect, but due to use a lot of environmental pollution by heavy metals, and contrary to the trend of environmental protection. With the high-speed development of LED technology LED lighting is becoming a new type of green illumination of choice. In LED luminous principle, energy-saving, environmental protection level are much better than traditional lighting products.

Q:The LED lamp how to realize the function of adjustable brightness and color temperature?: Now LED dimming color absorb dome light, there will be 2 class, is a fixed brightness and only three color temperature (warm white, neutral white, is white), the cheaper; Another is called stepless adjustment, such as PI dimming color photoelectric (PI - TECH) absorb dome light, brightness and color temperature can be adjusted independently, each 10 gear, as many as 100 kinds of effect, by remote control by remote control.

Q:How to maintenance of led desk lamp filled in no electricity: Wire or charging head problem, check the line.I hope you can help.

Q: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

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