Led Fashion Desk Lamp

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LED Fashion Desk Lamp Specification

Lamp:	HI POWER LED/ 36pcs 3528 EPistar LED(led table lamp)
lamp life time	50000hrs
Color temperature	5500K
Lumen output	100-650LUX 4levels can be adjusted by hand
Bean angle	140D
External power supply	5V 2100MA
polymer lithium ion battery	3.7V 1000MA
Wattage	Max 4W
Size	length384mm,wide 40mm,the diameter of base:84mm
Color rendering index	RA>90
color	white with silver,black with silver
NW	About 745G
Patent No	2012 30065391.7
The switch mode	Touch
Material	Pure Aluminum,ABS

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:

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: Are LED lights compared to dc lights?: Leds are generally constant current drive, also is the dc driving lights, as long as give the LED current to the rated current of the LED itself is not stroboscopic, unless there is something wrong with the power supply itself.

Q: I want to buy a charging desk lamp, LED lamp brightness seems a bit low, if it is a 13 w the lamp that shield an eye brightness LED small bulb, how many is needed to achieve the same brightness?? Have LED to the eyes good yao I to a charge of desk lamp, thank you: The best or dc lamp Now are using the compound light lamp There is a patent for invention

Q: The advantages and disadvantages of LED the desk lamp that shield an eye: 8) adapter generally smaller than LED lights, life is short, the transformer is more easily LED the desk lamp that shield an eye main advantages as follows: (1) environmental: no pollution, no ultraviolet, infrared and thermal radiation; (2) low energy design, 150 hours of electricity once, desk lamp in the case of provide sufficient lighting, power as small as possible. Use the light source of semiconductor technology production has a very high photoelectric conversion efficiency, allows you to provide electricity, can maximum limit into light. Dc power supply, which can effectively eliminate the extra electromagnetic loss, further reducing the overall energy consumption, so the power is less than 7.5 w (3) long life light source, 10 years don't have to change the bulb, is 100 times as ordinary light bulbs

Q: Are sold on the market in recent years that most students rechargeable lamps with the sort of, call what name I also do not go up, anyway, not expensive, I would like to ask you about the charging lamp charging commonly how long?: What you said is likely to be that kind of LED desk lamp, there is a difference between this kind of desk lamp rechargeable batteries, differentiate the probably only from price, twenty yuan is using a small battery, the battery is to increases with the increasing use of filling, generally charge no more than four hours, frequently and filling. Fifty yuan using nickel cadmium or nickel metal hydride batteries, such batteries is to run out of charge again, generally charge for six to eight hours. One hundred yuan with lithium battery, can be used after a period of time to filling filling, no specific requirements, such as the battery's current difference is large, large current will be longer, shorter, conversely in six hours.

Q: LED lamp in the 4 v lead-acid battery charging problem!: 4 V lead-acid battery discharging termination voltage 3.8 V, charging termination voltage should be around 4.6, the last is constant current charging mode, constant pressure finally, 8 to 10 hours with commonly used charging current (one 8 of the charging current of battery Ann hours). I hope it can help you.

Q: Use LED lamp plant useful? Useful for which plants, which plants useless?: Use LED lamp plant effect is not obvious. Need a dedicated plant growth lamp. Look from the spectrum (like a rainbow of colors), the closer to the sun, the effect is best. Because the leaves of plants, and the main absorption and LanZiGuang is red light, which is why leaves many green plants. On both ends of the fluorescent lamp with a filament, inside the tubes filled with tiny amounts of argon and the thin mercury vapor, tube coated with fluorescent powder, on the wall between the two filament gas when conducting an ultraviolet, the fluorescent powder making soft visible light.

Q: LED desk lamp, the USB interface, security, will the light bulb suddenly blow up: Won't, LED is light and heat is small, also very save electricity.I hope you can help me

Q: What kind of USB power adapter for a LED light source is a USB power supply lamp?: On the market to buy the USB power supply, the output voltage 5 v dc, can plug in the USB lamp, power supply directly.

Q: New LED lamp USES "magnetic -" the voice from time to tome, how to eliminate the noise?: Open it, switch on the transformer has a magnetic gap, gap, to fill the gap in 502.

Q: Led energy-saving lamps are easy to break: Lamp bead itself long life, but if private purchases, it is important to note that the quality of power supply, if the power supply is normal electrolytic, materials and more bad, can be used for a year is pretty good. When be being bought so little can distinguish good or bad, do not blindly pursue low price, or we will lose out.

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