led bulb e14 4w TUV-GS, CE, RoHs

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Product Description:

Product Name:C30HAP 4W E14 323LM LED LAMP HOT SALE TUV-GS CE ROHS PASSED





Description:



Model:

C30HAP

Input Power:

4W

Input Voltage:

220-240V

Working Frequency:

50Hz

Lumens:

323lm

CCT:

2900-7000K

CRI:

>80Ra

Beam Angle:

270 degree

Housing Material:

Aluminium Plastic  

PF:

>0.5

LED Working Life:

30000hrs

Working Temperature:

-20°C to   +50 °






Advantage:

1.Longer life


2.High luminous efficiency


3.Pure light color


4.Energy-saving


5.No radiation safe for body


6.No flickering & good for eyes


7.Low heat generation


8.Completly replace the incandescent bulb


9.Good Service:We treat client as friend


10.Good Quality:We have strict quality control system. Good reputation in the market.


11. Good heat dissipation and  unbreakable.


Our Innovation:

Quality & Service At YYLighting, our first priority has always been providing our clients with great quality products and superior customer service.


Quick LeadTime We're dedicated to provide the quickest turnaround times and work very hard to ensure that all of your deadlines are met.


Unbeatable prices We continusly strive to find ways of reducing our production costs, and passing the savings over to you.


Brand Awareness The goal of any strong brand is achieving a level of awareness that instills the idea of quality and value into all of your potential customers.



Application:

1.Residential Buildings,  Home


2.Office, Meeting Room


3.School, Library


4.Factory, Warehouse


5.Hotel, Casino


6.Parking Garage


7.Hospital


8.Commercial Center


9.Supermarket, Shopping mall





Trade Terms:

1>Sample lead time: 5-7days


2>Bulb lead time: 3-4 weeks


3>Payment: T/T, western Union or Paypal


4>Shipping: By Express(EMS, DHL, UPS etc), By Air or By Sea



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Q:Will the LED bulb, T8, T5 lights, radiator lamps, is the hotter the better? What's the regular temperature? What are the common heat release materials? Specifications?
Of course, the hotter the better, because for the same material, the hotter it is, the more heat the LED chips use, the less good the quality of the chips. The thermal characteristics of lamps is mainly to measure the junction temperature of LED Shenglai rather than the temperature of heat sink. Aluminum is commonly used in heat dissipation materials.
Q:How to choose the bulb power?
LED bulb is the appearance of the shape of the bulb - people have the habit of spherical internal light source is selected for LED lamp. Have the advantage of all LED lamps and lanterns:1, energy saving, environmental protection;2, long service life;3 、 no strobe, green.
Q:What is the AC voltage of the LED bulb?
LED bulb is the appearance of the shape of the bulb - people have the habit of spherical internal light source is selected for LED lamp. With all the advantages of LED lamps: 1, energy saving, environmental protection; 2, long service life; 3, no stroboscopic, green.More energy-saving: LED lamp energy consumption is energy-saving lamp 1/4, incandescent lamp 1/10Long life: LED lamp life of up to 50 thousand hours, life expectancy is 3-5 times energy-saving lamps.More healthy: light evenly, no strobe, no glare, no UV and infrared.More environmentally friendly: no mercury vapor, harmful substances can be recycled to protect the green earth.Full color change: rich colors, vivid and delicate patterns and effects can be displayed.Installation convenience: simple installation, can replace incandescent lamp directly, maintenance cost is extremely low.
Q:Who knows where the broken LED bulb is?
The proposed open, lamp is broken, can find light black or other unusual circumstances, bad power supply at the circuit board and components have the same burn what, under normal circumstances is such.
Q:Will the power of the LED bulb grow longer and longer? Why?
The LED bulb does not become more powerful for extended periods of time.As LED chip light emitting device of the PN junction has a negative temperature characteristic: with the increase of temperature, the conducting voltage drop caused current rise, therefore, when the LED bulb is lighted with the temperature rise of power consumption will be increased. But good circuit and parameter design can reduce the influence of this temperature.
Q:What's the reason why LED bulb gets a lot of heat?
If the radiator has a large radiating area, the temperature is low
Q:Secret LED bulb bubble price difference why so big?
Structure. LED heat dissipation is very important, good bulb will be equipped with radiators, inexpensive, and its life can be imagined
Q:What are the types of LED bulb?
According to the radiator shell to points, can be divided into plastic shell, aluminum radiator and ceramic shell, in general, the ceramic shell heat radiator is best, but the price is relatively expensive, the widespread use of aluminum shell, moderate price, good heat dissipation performance
Q:How does the LED bulb look good or bad?
A light source, two power supply, three workmanship.Online shopping, I strongly suggest that you buy some reliable.
Q:I want to ask for high power LED bulb lamp wire inexplicably broke, and in large quantities. Is the quality of the lamp?
It's possible to assemble your own bulb. The power used in the bulb is too large. It causes the gold wire to burn

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