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4W LED Filament Light

3.2~3.6 USD
Min. Order: 1000 Piece/Pieces
Payment Terms: Paypal, L/C, D/P, D/A, T/T, WU
Supply Ability: 200000
Place of Origin: Zhejiang

Company Profile

Location: Hangzhou, Zhejiang, China (Mainland)
Business Type: Manufacturer, Trading Company
Main Products: Led Light.led Filament Lamp, Led Filament Bulb.led Fiament Light.filament Led Light, Filament Led Bulb, Filament Led Light

Product Detail

Means of Transport: DHL UPS Fedex EMS, Ocean, Air, Land
Material: Glass
Lamp Holder/Base: E27
Brand Name: MBT or OEM
nput Voltage(V): 230VAC/ 120VAC
Lamp Power(W): 4
Lamp Luminous Flux(lm): 400
Lamp Luminous Efficiency(lm/w): 100
CRI (Ra>): 80
Working Lifetime(Hour): 30000
Base Type: E27
Model Number: A19
Light Fixture Size: D65*105mm
No. /LED: 4 LED Filament
Production Capacity: 200000
Packing: Standard export package. OEM packing available.
Delivery Date: 7-20 days
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Product Description

4W LED Filament Light With Ligh Lumen


LED filament bulb will replace most of the traditional incandescent lamp, with the growing of LED lighting ,LED filament will become the new darling of the market.  Nowadays they are into LED bulb market ,and into our life in domestic and business.

LED to tungsten thoroughly solved the problems of the LED ball steep light fever, so the current surge in market demand, especially the European and American markets. LED to tungsten development now encountered problem is the small size requirements drive scheme (due to the shape), the power of the duty ratio based on  development size smaller than the one yuan coin, now is in short supply.




With the continuous development of led technology, the led lighting source as possible, because the light source in lighting lamps and lanterns has strict requirements on color rendering index CRI, and the white led technology in the aspects of color is not very mature, make it become the main obstacle of the led as lighting source.


White light for composite light through a prism, very easy to break out it contains different colors of light.The chromatographic comprehensive LED is a kind of light source, the characteristics of the wide color gamut of LED lighting products, which lay a theoretical foundation for high color rendering.


Light is a kind of wave particle two-phase material, the material includes wave characteristics include the characteristics of the particles, the compound characteristics make it strong, so from the essence and characteristics of the LED light, LED, as a high quality lighting source possible.


Current white LED technology, mainly adopts blue chip phosphor powder coating process, the technology developed by day and the company, from a certain extent with fluorescent tube light-emitting principle of this technology due to the lack of the composition of red light and green light, to make it on there is a congenital defect of insufficient color rendering index, to make up for the defects at present, phosphor technology has become a main direction in the industry.


Blue chip coated with phosphor powder manufacturing white light, this technique can be produced on the principle of white light with better effect, but in the use process due to the weak adaptability to the environment, cause the difference between theory and actual product, the difference is largely because of the LED heat accumulated temperature on the influence of the phosphor powder.



TRADE TERM of led tunnel light

1. Payment: T/T;

2. Delivery Time (sample): in 6 days.

3. Production Time: 7-10 days for 10-100pcs; 10-15days for 100-300pcs.

4. Price Term: EXW, FOB, CIF


TRANSPORTATION of led tunnel light

1. by Sea; by Air; by Express (DHL, UPS, Fedex, TNT, EMS etc.).

2. FOB Port: Shanghai/Ningbo




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