36Led Usb Led Reading Light

Inquire Now

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

You Might Also Like

Feature

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: My desk lamp is touch switch, led lights are lit, touch switch to the touch is not working, has been bright, the luminosity is very dark now, not so dark before, but also it can be used to adjust luminosity, now touch switch has no effect. Hope the master directions... Please!!!!!!: Not touch switch is broken, is the control circuit is broken, installation of a mechanical switch use, repair is not worth. If the warranty by merchants can also The above answer you satisfied?

Q: Why do some led desk lamp is white light, have a plenty of take a bit of blue?: LED bulbs can change.Parallax is cold light lamp.I hope my answer is useful to you.

Q: Three months ago I was full of electricity, this three months I was useless, now basic is full of electricity, use need not use a few hours to recharge first? Or direct charge?: When did you buy? If it is just bought, suggest you use first photoelectric charge again

Q: I want to ask to buy what kind of bulb to eyes good, leds? How many watts: 220 v to 12 v may not use resistor step-down, so efficiency is very low and the resistance of consumed power is very big (18 times reached the bulb power), the original circuit could be a 220 v variable or a 12 v transformer AC - DC devices.

Q: Want to buy the university dormitory with plug-in study desk lamp, LED the good good or tubes: Some leds, white light is light, but some dazzling, often stay up late to some, more useful. The yellow is better for your eyes

Q: LED lamp stroboscopic serious, can you tell me the reason?: Use digital camera LED lights have similar moire interference, should be a digital camera sensor scanning frequency and multiple leds blinking frequency with a certain relationship, lead to no photosensitive sensor some particular locations and appear black stripes. According to the phenomenon that the LED lamp is resistance capacity drive is premature. In general, if the LED lights use resistance capacity device driver, then stroboscopic frequency twice of the ac power frequency, i.e., using flash frequency 50 hz alternating current while the frequency is 100 hz, with 60 hz ac for 120 hz - under the frequency, the human eye or is there a way to identify: the five fingers outstretched rapidly oscillating in the lamplight, if can see "a lot of fingers in the middle of the swing range (shadow), you can judge the LED use the low frequency pulse power supply driver. If the LED is used inverter type constant current power source, then stroboscopic frequency up to 40 ~ 200 KHZ, wiggle the fingers in this light, the human eye of persistence of vision has been unable to form such as "image of guanyin", so it can be the difference between the judgment

Q: Long card LED charging small desk lamp: According to the instruction of filling. Led lights is very save electricity. 1000 w (tile) with electric drive for an hour once electricity, such as lamp 10 w, 100 hours once electricity, a kw lamp wattage that number is how many hours once the power point

Q: How many watts appropriate general led desk lamp: Advised to choose a well-known brand LED bulbs, LED bulbs now the price is not expensive,

Q: Need to solve the problem of the LED light flashing: Problem in the connection on the way, I guess you're mistaking 40 simple lamp bead is divided into 10 road, every 4 star all the way, so directly in parallel on the 12 v is? First answer me how do you connect again to teach you.

Q: Led desk lamp suits, how many watts of the led lamps are very high colour temperature: The more expensive kind of have the diffuser plate, similar to large screen LED backlighting, so look more even not searching eyes

Send your message to us

*Email

*TEL

*Quantity

*Unit