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HomeHome & OfficeHome & KitchenLighting & Ceiling FansLighting AccessoriesLamp FinialsMIX 4V Light 3W Lamp Led 11V 9V 3V [ALLCOB] Emitting Cob
₦ 28,900
₦ 48,20040%
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Yang Qian
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Quality Score: Excellent
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Product details
It is generally believed that the electric light bulb was invented by the American Thomas Alva Edison. But if you do serious research, another American, Heinrich Gö, invented the same principle and material and reliable light bulb decades before Edison, and many others before Edison also invented the light bulb. made many contributions. In 1801, British chemist Davy energized platinum wire to emit light. He also invented the electric candle in 1810, using an electric arc between two carbon rods for lighting. In 1854, Henri Goebbels used a carbonized bamboo thread, which was energized and glowed under a vacuum glass bottle. His invention today appears to be the first practical incandescent lamp. The light bulb he tested at that time could last for 400 hours, but he did not apply for a design patent in time. In 1850, the Englishman Joseph Wilson Swan began to study the electric light. In 1878, he obtained a British patent for a light bulb powered by carbon filaments in a vacuum, and began to establish a company in the United Kingdom to install electric lights in each home.
Specifications
Key Features
- BrandName:allcob
ColorTemperature:CoolWhite(5500-7000K)
LEDChipModel:1WHighPower
Occasion:Bedroom
Voltage:Checkthedetailsbelow
LuminousFlux:249Lumens&Under
Shape:Bar
AverageLife(hrs):30000
Length:others
ItemType:LEDBulbs
LedBulbType:CarBulb
LEDChipBrand:Epistar
Certification:CCC
Certification:FCC
Certification:GS
Certification:ROHS
Certification:ce
BeamAngle(°):120°
BaseType:welding
PowerTolerance:10%
Type:MIX3WCOBLEDSTRIPlight
Size:Mixsize(Checkthedetailsbelow)
Power:3W
Lightingcolors:Red/Blue/Green/NaturalWhite/WarmWhite/ColdWhite
ForwardVoltage(DC):Mixvoltage(Checkthedetailsbelow)
MaxForwardCurrent(DC):Checkthedetailsbelow
Warranty(correctlyused):2years
Weight:Checkthedetailsbelow
Material:Aluminum-board&siliconrubber
Notice:Pleaseuseanecessaryheatsinkwhenused
application:carlight/Desklampdiyledlight
What’s in the box
1*product
Specifications
- SKU: GE779LB2SOKPUNAFAMZ
- Model: CVDSGV3432
- Production Country: China
- Size (L x W x H cm): 12 x 13 x 15
- Weight (kg): 0.52
- Color: C.W 6200-6800K 28-20mm
- Main Material: Synthetic
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MIX 4V Light 3W Lamp Led 11V 9V 3V [ALLCOB] Emitting Cob
₦ 28,900
₦ 48,20040%
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