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FAQ
- Heard that LED save electricity, to follow the fashion, a grind, spent more than three hundred bought 6 LED bulbs, but less than 3 months finished bad, all manufacturers attitude can also, all changed, but also bad, depressed.
- You buy the LED is very low. LED mainly depends on the chip, are divided into imported (Europe, America, Japan and South Korea), Taiwan and mainland China, needless to say you buy must be at home. Recommend you to go to IKEA IKEA purchasing, ensure you use, and not expensive. Our company is to help their contract, in accordance with the standards are very high!
- How many watts of led the desk lamp that shield an eye with good students
- Yes, my home is about 7 w lamp, very bright, but I will buy the Angle of desk lamp can adjust the light, so don't worry about the problem of brightness.
- With 10 v charger with 6 v rechargeable batteries used at the same time, that is used when mains mains, there is no mains automatic conversion electric battery. Three light bead is in series or parallel good? Add how much resistance? Step-down to to the charger? If I want the dimmer, should how to do, had better have circuit diagram
- If you are sure with 6 v battery power supply, then I suggest you use four leds, two series and then parallel, such high efficiency
- 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.
- Desk lamp battery charging why not directly connected light emitting leds, but to a diode, the diode have what effect
- If animal nickel cadmium or lead nickel-metal hydride batteries, their monomer voltage is 1.2 V, then use two voltage is not enough to push the LED, with three high again, then to string a diode to the voltage
- sk next incandescent lamp, led lamps and halogen lamps have what distinction, which better
- See you use, such as the most used to painting so you can only choose halogen (trichromatic fluorescent lamps also do, but the color is feeling less). General reading, ordinary fluorescent desk work, more money and don't care about environmental problems can buy dc lamp (dc except inefficient and communication than no advantage, use dc, the polar bear's death also have a credit for you!) . Special care about environmental protection and main for night light use you can use the leds
- 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!
- No harm. But there is no need long time staring at it
- The principle of LED the desk lamp that shield an eye
- The desk lamp that shield an eye is the use of no flicker, no stroboscopic, eye fatigue, not all metal texture, elegant, classic. Using high brightness and low light failure LED strips, low voltage DC12V switch type constant current drive, no stroboscopic, no radiation. Unique polarized light membrane technology, can make the LED light uniform directional output, not glare dazzling, the prevention of myopia. LED lighting now has entered the new era, a large number of LED lighting products into the family, such as LED lights, LED lights and LED desk lamp and so on family, but still have to remind the LED lighting use less as far as possible, there are blue, especially the LED the lamp that shield an eye in the trial period, LED for auxiliary lighting. Only. There are a lot of energy levels of electrons in an atom, when electrons from high level to low level transition, electron energy is reduced, and reduce the energy into a photon emission. A lot of these photons is the laser
