3W Flexible USB charging LED desk lamp
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 1000000 pc/month
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Item specifice
Color Temperature:
Pure White
IP Rating:
IP44
Lamp Body Material:
Aluminum
:
,,,,,
Power（W）:
3
This item has two style: one is with living color change base, and the other don't have living color changing base. Pls noted.
1. Design concept:
All new design element, conform to lighting engineering. Emiting soft and comfortable light, stepless dimmer, no strobe, for better eye-sight. Longer life span, eco-friendly.
2. Users:
Suitable for all kinds of person to use. No matter you are a student or a white collar, you will like this natural and comfortable light.
3. Warranty & Support:
After received product, please check the package whether it is intact, should include lamp body and charging cable. If miss something, please contact the seller directly.
4. features:
High electric efficiency: Lighting 1,000 hours consume 4.5kwh.
Dimmer: Stepless dimming by touching
Rechargeable: Most advanced Polymer lithium battery(1000mA), high quality power control IC(prevent extra currents, extra charging or extra discharging);
Materials: High purity ABS materials with perfect curves appearance, detail cast quality
Eye protection:DC input, no light strobe
Health: No ultraviolet rays, no infrared, no radiation
Eco-friendly:Doesn’t contain mercury and xenon, recyclable parts, won’t occur EMI
Long life-span:Semi-conductor chip light emitting, no lamp filament, no glass bulb, unbreakable, the life-span is above 50,000 hours
Luminous efficiency: Low heat rate, transform 90% electric energy into visible light
Safety: Low voltage and current lighting, low heat rate, no safety hidden trouble, can be applied to mining and other places.
Practical patent, patent number: 201530035721.5
5. pictures
- 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:LED rechargeable desk lamp the internal rechargeable battery, charging voltage is how old?
- Rechargeable led desk lamp voltage specifications have two ways of blunt electricity ah. If is plugged into the USB charging cable is 5 v. Battery voltage is 5 v. The product brand of # charging desk lamp is such specification.
- Q:Want to buy the university dormitory with plug-in study desk lamp, LED the good good or tubes
- Desk lamp tubes are mostly warm color, look more comfortable. And lit a lamp light up an LED to many difficulties, complex circuit, I help students took a few, internal ballast work are good.
- Q:Led lithium battery lamp, 0.5 a rated input current search. With the output of 1 a charger or mobile power no problem?
- Here need to popularize A common sense, when you LED lamp or cell phone, the above label for 5 v 0.5 A charging parameters, the charger you even 5 v 100 A, you put the LED lights or cell phone plugged into the charger in, is safe and reliable, not because the charger is 100 A, think at this point is to use 100 A for your LED lights, mobile phone recharge, 100 A here refers to the charger output capacity can reach 100 A, it can at the same time for the 200 only 5 v 0.5 A LED lamp, charging the mobile phone. 220 v voltage is like family, when your family power supply power supply capacity of 10 A, he can light up 100 22 w bulb at the same time (220 v * 0.1 A = 22 w), A light bulb is 220 v 0.1 A, even if you only opened up A light bulb in the home, the light bulb will not burn because of the power supply capacity of 10 A. When A family with only one bulb light, at this time is 0.1 A current through the bulb, rather than 10 A.
- Q:High-power LED the lamp that shield an eye more appropriate
- High-power LED the lamp that shield an eye more appropriate
- Q:LED desk lamp, very bright, when buy later with more and more dark
- Droop, poor quality, I bought for my daughter, with more than a year didn't meet this problem, is pili brand
- Q:LED the desk lamp that shield an eye eye really?
- Since the traditional inductive common fluorescent lamp, there will be a light blinking. Alternating current frequency is 50 hz, so common fluorescent lamp is 50 times per second periodic start-stop, due to the human eye persistence of vision effect and the effect of the fluorescent tube wall afterglow phosphor, normally would not be aware of the light blinking. But in the long-term work under this kind of light source, especially in fine operation, it is easy to produce visual fatigue and with a series of symptoms, namely, commonly known as the "eyes", so before the desk lamp of recommend the use of incandescent lamp it is for this reason. Can be fluorescent characteristics of high relative to the incandescent lamp brightness, save electricity, but can't. With the emergence of electronic ballasts, fluorescent lamp start-stop frequency from 50 hz to several - KHz, greatly reduce the flicker effect, alleviate the occurrence of visual fatigue and even can be used in a high-speed movement of the venues (table tennis, badminton) lighting, visible flicker of already fell to very low, manufacturers take this selling point and with the attractive word "eye", a little fool. Since it is not what is the role that shield an eye really, but reduce the damage to the eyes to the technology of controllable minimum. Lighting white LED, as the breakthrough after blue light LED manufacturing technology in recent years. Due to the LED light emitting diode) is a dc power supply, as long as and qualified drive power match, there is no so-called flashing, says it is "eye" a bit redundant, stir-fried concept. Every brand has a high school low-grade products, cannot treat as the same. In accordance with individual psychological orientation is good. Personal humble opinion, only supplies the reference.
- Q:The advantages and disadvantages of LED the desk lamp that shield an eye
- 4) light source does not contain toxic heavy metals such as tungsten, mercury. The tungsten filament in the semiconductor light source without them no fluorescent lamp, energy-saving lamp of mercury inside. (5) safety. 12 v low voltage dc power supply; No easy broken glass parts, ensure the safety of users. 36 v is the minimum voltage, can feel the body is less than 36 v power supply is safe to human body. Don't even need to 3 c certification. Dc power supply, to eliminate the high frequency alternating current (ac) of electromagnetic radiation pollution.
- Q:The led lamp low-grade why current sound
- The 12 v power supply meet the led light have the cause of the current sound is due to your power supply is provided by the 50 hz ac, and 50 hz transformers, and loose core. If it is a high frequency switching power supply, or dc power supply, is listening to less than 50 hz hum.
- Q:Led lamp, good point light source or surface light source
- Led has blue light damage, not only with long time eye fatigue This is my least favorite Use dc after light lamp, now is very good Basic do not have the feeling of fatigue
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3W Flexible USB charging LED desk lamp
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 1000000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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