8W LED A19 Bulb - 2700K - Dimmable - Lighting Science
Additional Media

8 Watt - Dimmable LED - A19

Omni-Directional - 2700K Warm White - 450 Lumens - 40 Watt Equal - 120 Volt - Lighting Science DFN 19 40WE W27 120


Energy Saving Calculator

LED Replacement     Watts
Existing Lamp     Watts
Lamps Replaced    
Cost per kWh    
Savings over life of lamp:   $0

Energy Savings / ROI Calculator close X

Calculate the total kilowatts saved by replacing the inefficient lamps with more efficient lamps

Original Lamp Wattage
Replacement Lamp Wattage X
Watts Saved Per Lamp =
Number of Lamps to Replace X
Total Watts Saved =
Total Kilowatts Saved =

Calculate the total kWh per year saved

Total Kilowatts Saved
Enter Hours Used Per Day X
Enter Days Used Per Week X
Enter Weeks Used Per Year X
Total kWh Saved Per Year =

Calculate the total energy cost saved per year

Total Kilowatts Saved Per Year
Energy Cost Per kWh X
Total Energy Cost Savings Per Year =

Payback on Investment

Initial Cost of Lighting Upgrade $
Total Energy Cost Savings Per Year /
Number of Months for Payback on Investment =
Savings over life of lamp =
Get the exceptional performance of Lighting Science DFN1940WEW27120 LED lighting at an affordable price. This dimmable, omni-directional A19 LED bulb uses only 8 watts to produce 450 lumens and the warm white color temperature makes this lamp ideal for reading and desk lamp applications. This bulb is UL listed for dry and damp locations and is RoHS compliant with no lead or mercury. This LED bulb provides you with 50,000 life hours from conservative 8 watts. Warm, inviting light and a great value to boot!


Stock Code:  LED-A19840WE27
Family:  Definity
UPC:  887437006078
Voltage:  120
Base Type:  Medium (E26)
Color:  Warm White
CRI:  82
Diameter:  2.53 in.
Life Hours:  50,000
Lumens (Initial):  450
RoHS:  Compliant
UL Listed:  Damp Locations
Case Quantity:  24
Brand:  Lighting Science
Part No.:  DFN A19 40WE W27 120
Wattage:  8 Watt
Bulb Shape:  A19
Dimmable:  Yes
Color Temperature:  2700 Kelvin
Length:  4.39 in.
Incandescent Equal:  40 Watt
Light Source:  LED
Lumens Per Watt:  56
ETL Listed:  Yes
Warranty:  5 Years

Customer Reviews

100bulbs.com Changing the way people buy lightbulbs