Led Rechargeable Reading Lamp With Clock

Ref Price:
$2.06 - 3.09 / pc
Loading Port:
Ningbo
Payment Terms:
L/C,T/T
Min Order Qty:
2000 Pieces pc
Supply Capability:
3000 Pieces Per Day pc/month

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Product Description:

General Introduction

Rechargeable led reading lamp with clock

 

Specification 

1)3in1 mini LED rechargeable  light with clock


2)21600 mA.h rechargeable battery

 

3)one dia 8 bright bulb and 22 LEDS bright spotlight

 

4)with alarm colock

 

5)multi-function:A  use as reading lamps;

                            B use as one searching torch;3

                            C. can use as a clock

 6)packing:nice gift box

 

Application

Buildings, Home,Office, Meeting Room ,School, Library,Factory, Warehouse,Hotel, Casino,Parking Garage,Hospital,Commercial Center,Supermarket,Shopping mall,anywhere you want.

 

FAQ

1-May I have your samples for existing items?
According to our sample policy, samples are free of charge for our common existing ones within a certain amount but customers need to bear the express charge. If customers have an international express collect account no. for FedEx, UPS, DHL and so on, this will be more convenient for us.For long-term business, we could bear the express charge.If customers are satisfied with the finished samples and will settle the first order, we will start to refund the sampling charge. For actual refundable aprocedure, this will be finalized according to actual sampling charge, the first order amount and actual communications.

 

2-Could you do sampling according to my actual sample, special demand, design or own idea?
Our R & D dept. has experienced engineers in structure and electrocircuit. And we have good cooperative factories in molds for plastic and metal. Based on these, we are able to achieve your demanded samples.

 

3-How do you control the quality?
We have strict quality control system including incoming material inspection, production line management, final full inspection and random inspection on loading. Based on these, we are able to deliver final high quality products for you.

 

4-What's the period of validity for complaint?
Normally, we accept the complaint within one month after receipt of the goods. For some special circumstances, please kindly contact with our sales for your actual order.

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Q:Hello, I would like to ask you, if the desk lamp of household how much leds W?
3 w, 7 w will be stabbed eyes, desk lamp advice or use energy-saving light downier, in general, color temperature of 2700-3100 is suitable, is the warm light and natural light, white light 6400 of real life, we still use more but look for a long time, eyes will sting.
Q:LED rechargeable desk lamp the internal rechargeable battery, charging voltage is how old?
Now that can tear down, can directly measure the voltage across the battery is generally a little more than 3 V, with USB 5 V charging slightly larger, it is best to 4 V or 4.2 V of mobile phone chargers.
Q:How to distinguish whether the led lamps and lanterns glare, is there a standard?
Glare can be divided into disability glare and arrow glare. Who reduce eye glare called a disability glare, it will be Reduce the visibility of the visual object, but not necessarily produce uncomfortable feelings; Who make the person produces the feeling of displeasure glare is called no Comfortable and glare. Cause glare of led lamps and lanterns has the following four major factors. (1) the light source brightness factor: the higher brightness, glare, the more significant. (2) light source location factor: the closer it gets to the line of sight, glare, the more significant. (3) the light source appearance size and number of factors: the apparent area, the greater the number of light sources, the more the glare, the more significant. (4) the surrounding environmental factors: environment brightness is dark, eyes adapt to lower brightness, glare also becomes more significant. Dazzling light not light, but for the concept of lamps and lanterns. Leds - t8 fluorescent lamp has been rise, are alternative Fluorescent lamp market, due to the lamps and lanterns is ready, can't change, leds - t8 fluorescent lamp needs to ordinary fluorescent effect Fruit near, thus formed the concept of glare. Anti glare products, need to consider the brightness of the led, led between the row Cloth, spacing, the led itself to the distance of the optical cover, the shape of the optical cover, light transmittance, etc., rather than simple Shell or configuration problem.
Q:Students do homework with LED lamp to choose LED strips or LED lamp bead?
SMD LED Angle is large, relatively uniformity is better. Basically is to see light color and brightness suitable for on line!
Q:What if the led lamp doesn't shine
LED lamp light is usually a lamp is broken, no inspectors according to the following steps to do. 1, before open the LED, measure the power supply voltage, and current through the LED. 2, then open it, each check all key parts: drive or power supply, LED lamp bead, change all the broken lights. 3, find out the failure reasons of LED lamp bead, if flow, immediately minish the drive current. Check whether the drive is defective, also want to find out the reason, can the trim, can't repair the replacement
Q:High-power LED the lamp that shield an eye more appropriate
and to achieve the same intensity of illumination, white the most power-hungry, definite lamp is about three to five times the size of energy-saving lamps, LED the five to eight times. LED as its light Angle is not close to 360 degrees, under the same power, in the direction of the LED light, LED has the highest intensity of illumination, for example, if you use a 9-11 w lamp, LED lights do you completely can also use a 11-15 w energy-saving lamp as a desk lamp. Energy-saving lamps - LED 4 w power consumption calculation, turn on the light for five hours a day, continuous use of more than 50 days 1 KWH, a year only 7 degrees, 0.5 yuan per degree, only 3.5 yuan a year, but harm to your eyesight smaller, compared with 60-80 w white lamp code,
Q:Pupils to do homework with good desk lamp is yellow light or white light is good
Desk lamp is good, eyes comfortable is the most important. Actually now the LED for the eyes, is really bright flashing eyes, but in the long run really uncomfortable. Old lamp luminous tube flashing LED lights, dazzling, entanglements...
Q:LED the desk lamp that shield an eye the choose and buy, should consider what respect?
Now is better the desk lamp that shield an eye to choose the low voltage dc power supply, safe, no electric shock hazard Cold light source options, select light source, high brightness, high luminous efficiency/low energy consumption, no ultraviolet and infrared radiation. Also need to consider the color rendering index of lamps, light color rendering index is 100, color rendering index of desk lamp, the more close to the sun color rendering index, adaptable people eyes, eyes, vision health. With and without glare is also an important standard, because dizzy light is one of the important reasons of causing visual fatigue, can choose light measurement, the desk lamp of surface light source, because traditional desk lamp can directly see light point, more dazzling, side light can't see the markers, the light is downy, uniform. Select the adjustable brightness or color temperature LED the lamp that shield an eye, because of different scenarios, different weather, the brightness of the light or there will be a certain color temperature, on-demand light distribution, science more eye. (I had to use of the lamp, can consider)
Q:22 what is the power of the led lamp charging desk lamp v
Do you want the output voltage or input What's going on?I hope you can help me.
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.

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