1.Using 1400mcd brightness LED bulb
2.Long life LED more than 100000 hours
3.Using Lead-acid battery
4.Flexible student desk lamp
5.Mini shape easy to take
6.Power saving, only about 1watt
7.Welcome your own brand
8.We can make color boxs and cartons by you own design
Multi power source woodpecker table lamp CM-636
many to choose
Estimated Delivery Time
2-8 business days
3-8 business days
2-10 business days
1-7 business days
6-14 business days
7-12 business days
China Post Air Mail
7-15 business days
China Post SAL
14-30 business days
30-40 business days
1. 3-5 business days for Sample Orders; 7-15 business days for Bulk Orders 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:I am doing an LED desk lamp,
- Using PWM technology, you need to use single chip microcomputer output a certain duty cycle of square wave, the duty ratio, the greater the more bright. Also need to use sensors to collect light intensity, the establishment of a model, to achieve automatic brightness adjustment.
- Q:The principle of LED the desk lamp that shield an eye
- LED the lamp that shield an eye use LED several features: 1, the LED is constant current drive, no stroboscopic. 2, excluding infrared, ultraviolet visible light with leds. 3, LED does not produce harmful electromagnetic waves, no radiation. In fact all the leds have these features. As to whether hype, I don't do evaluation, because I also heard that LED the lamp that shield an eye for the first time, don't understand.
- Q:How long will leds last?
- The life of the LED lights has a connection with the quality of the power supply board, power board is a great gap with the theory of life quality is bad life, suggest to buy a good power supply board.
- Q:How to charge the LED lamp
- When did you buy? If it is just bought, suggest you use first photoelectric charge again
- Q:LED lamp charging and then bad
- Now small home appliance products, such as LED lamp manufacturer in order to save costs, the internal circuit is very simple, direct is the way of resistance capacitance charging circuit, and probably doesn't even have the battery charge over discharge protection, quality is not guaranteed.
- 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:I buy LED lamp light moving light and shade is how to return a responsibility
- Electricity ports poor contact, the ends out then plugged up.
- Q:LED rechargeable lamp, what to do with the battery can't charge.
- The LED rechargeable lamps When first use, adequate electricity, first when not in use, store must supplement electricity once in three months. When using battery lighting lighting obvious dim light need charge in time, otherwise it will affect the battery life. And new LED rechargeable lamps have been used while charging into consideration. New product YG - 3939 jager, YG - 3940, and so on lamp has been achieved using while charging.
- Q:Led desk lamp and common desk lamp which is good
- If the wavelength change, stimulate phosphor ability to drop, luminous efficiency will be lower. Manufacturers in order to pursue the brightness, usually to strengthen the blue LED light intensity, the eye if the long run, such a source to avoid eyes blue light damage. In addition, it is, the longer the LED light, the faster the phosphor decay of light source, the result will lead to the human eye contact blue wavelengths of light is more and more intense, so as to cause harm to the human eye
- Q:LED rechargeable lamp charging is better
- Buy into the type of good, safe, nice hear thunder.Had better not use while charging
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