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Qtafii E27 15W 6000-6500K Cool White Light LED Light Bulb LED Lamp(AC90-265V)

SKU:A241400BCV

Better light bulb, better feeling! Do you on looking for some bulbs with low power consumption and high brightness? This 15W LED bulb can make your dream come true! LED lights offer more light than fluorescent lights while using less power. The super...
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USD$ 75.96
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Quantity 2-56-1415-39≥40
Price USD$ 37.64USD$ 31.02USD$ 24.40USD$ 15.57
 
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Specifications:


  • Connector Type: E27
  • Material: Aluminium Alloy & Opal Glass
  • Input Voltage: AC 90-265V
  • Output Power: 15W
  • Light Source: 15W LED
  • Conversion Efficiency: ≥ 85%
  • Brightness: 1400-1500 lumens
  • Life: 50,000 hours
  • LED Work Temperature: -25°C ~ 60°C
  • Beam Angle: 180°
  • Light Color: Cool White

Features:


  • The 15W LED bulb contains no mercury, has a much longer life cycle, is more energy efficient and will turn on instantly
  • You do not need to wait for the bulb to warm up and reach full power
  • The 15W LED bulb is also less likely to break and is not affected by frequently being turned on or off
  • Energy star approved for energy efficiency
  • This 15W LED bulb has traditional design of this LED spotlight, which will add the warmth to your need
  • The super bright and high-power E27 cool white LED has become a very attractive option in the modern society situation
  • The cool white LED bulb is safe, stable, reliable and suitable for both residential and commercial environment, such as home, office, conference room and so on

Details:
  Qtafii E27 15W 6000-6500K Cool White Light LED Light Bulb LED Lamp(AC90-265V)


How to Understand LED Lights:


  • Compare LED lighting to compact fluorescent bulbs. Compact fluorescent bulbs are not as efficient as LEDs, they take longer to light up and they contain mercury. LEDs contain no toxic elements. And, according to Amber Angelle, writing for "Popular Mechanics," LEDs are one of the most promising light sources out there in terms of efficiency, longevity and reliability
  • Figure the cost benefits. LED lights are more expensive initially, but after five to 10 years, homeowners recoup the costs. As of 2010, an outdoor LED spotlight runs you about $100 compared to $7 for a regular light spotlight bulb, according an article by Elisabeth Rosenthal and Felicity Barringer in "The New York Times." But, scientific advances are happening monthly, Brian Owen, a contributor to the LED trade magazine, said in "The New York Times." These advances are sure to bring the prices down. One advance is growing LEDs on silicon wafers instead of the more expensive sapphire, like what is currently occurring
  • Contrast how much longer LED lightning lasts than incandescent bulbs. You'll find LEDs last so much longer that it changes light bulbs from cheap, disposable energy-wasters to semipermanent fixtures in your household. LED lights can last 22 years. They are, basically, an install-and-forget type of purchase. Compare LED lighting to a fluorescent bulb that might last you 3,000 hours. The LED lasts more than 100,000 hours, according to Rosenthal and Barringer. Angelle estimates that LEDs can last for 50,000 hours
  • Convert to LED lighting, and you can decrease carbon emissions from electric power lighting by up to 50 percent in 20 years, according to Rosenthal and Barringer. This type of conversion would be, perhaps, the most cost-effective approach to tackle wasted energy
  • Program the LED lighting to perform tricks. They can get brighter as someone walks under the light, or they can flicker to guide paramedics to an emergency at your house. And, because LEDs do no emit ultraviolet light, you can sit outside on your patio in the summer without LEDs attracting bugs

The LED Bulbs Effects:

Qtafii E27 15W 6000-6500K Cool White Light LED Light Bulb LED Lamp(AC90-265V)


  • The LED bulbs give bright light and save money from cost utility

Qtafii E27 15W 6000-6500K Cool White Light LED Light Bulb LED Lamp(AC90-265V)


  • Light up your stair and reduce stumbling at night with these amazing LED bulbs

Qtafii E27 15W 6000-6500K Cool White Light LED Light Bulb LED Lamp(AC90-265V)


  • Power saving and long life-span LED bulbs are perfect for 24/7 constant use

Qtafii E27 15W 6000-6500K Cool White Light LED Light Bulb LED Lamp(AC90-265V)


  • The LED bulbs for both main and moonlight illumination are possible

Colour Temperature:


  • The photos below were taken in a dark room, without pre-setting the camera or editing the photos afterwards
  • Different colour temperatures of the LED bulbs can be seen on the trim of the terracotta pot and on the cactus
  • The first photo the object was illuminated with cool light. The cool light is the brightest
  • The second photo natural white was used, it is similar to sunlight
  • The third photo the warm white can be seen, which is similar to the color of tungsten lighting and halogen lights

Qtafii E27 15W 6000-6500K Cool White Light LED Light Bulb LED Lamp(AC90-265V)

The Kelvin Scale:

Colour temperature has important applications in lighting. The colour temperature of a light source is usually measured in kelvins (K) at which the heated black-body radiator matches the colour of the light source is that source's colour temperature 

Qtafii E27 15W 6000-6500K Cool White Light LED Light Bulb LED Lamp(AC90-265V)


  • Higher colour temperatures (5000 K or more) are "cool" (green-blue) color, and lower colour temperatures (2700-3000 K) "warm" (yellow-red) color

Type of Fitting:


On the pictures below the most common fittings are shown. If you know your fitting, you can easily find the right LED bulbs equivalent


Qtafii E27 15W 6000-6500K Cool White Light LED Light Bulb LED Lamp(AC90-265V)


 ☆Comparison between LED and Incandescent Bulb & CFL

Qtafii E27 15W 6000-6500K Cool White Light LED Light Bulb LED Lamp(AC90-265V)    


1. Luminous Flus & Application Efficiency  


LED


Incandescent Bulb


CFL


1W


25W


     ----


3W


40W


5W


5W


60W


12W


7W


100W


24W


9W


150W


30W


12W


250W


40W


LED is 90% energy saving compared with CFL,
LED is 60% energy saving compared with Incandescent Bulb 


2. Comparison table for Power Consumption (8hours/day, 365/ year) 


LED


Incandescent Bulb


 


Electric Consumption


Electric  Consumption


Electricity Consumption Ratio


1W*8*365=2.92Kwh


25W*8*365=73Kwh


2397%


3W*8*365=8.76Kwh


40W*8*365=116.8Kwh


1233%


5W*8*365=14.6Kwh


60W*8*365=175.2Kwh


1100%


7W*8*365=20.4Kwh


100W*8*365=282Kwh


1328%


9W*8*365=26.2Kwh


150W*8*365=438Kwh


1566%


12W*8*365=35Kwh


200W*8*365=584Kwh


1567%


 


LED


CFL


 


Electric Consumption


Electric  Consumption


Electricity Consumption Ratio


1W*8*365=2.92Kwh


     ----


    ----


3W*8*365=8.76Kwh


5W*8*365=14.6Kwh


66%


5W*8*365=14.6Kwh


12W*8*365=35Kwh


140%


7W*8*365=20.4Kwh


24W*8*365=70Kwh


242%


9W*8*365=26.2Kwh


30W*8*365=87.6Kwh


233%


12W*8*365=35Kwh


40W*8*365=116.8Kwh


233%


 
3. Comparison table for Working Life-span 


LED


Incandescent Bulb


Approx 50000 hours/Pcs


Approx 1500 hours/Pcs Bulb


1Pcs LED


33Pcs Bulb



LED is more energy efficient and more environmental friendly than Incandescent Bulb and CFL, LED lighting is a better option for you


Package Included:


  • 1 x Cool White Light LED Bulb