Watts: A unit for measuring electrical power.
Lifetime Hours: The average amount of time that bulb can stay lit before the end of its life. ENERGY STAR®‘s lifetime hour ratings are based on an average of 3 hours if used per day.
Lumens: A unit of measurement for the brightness of light. If a light bulb is blindingly bright, it produces a lot of lumens.
Dimmer: A control that regulates light levels.
Color Temperature: The appearance of light in terms of warmth or coolness. Color Temperatures of 2700K temperatures generate a warmer color tone; color temperatures of 5000K temperatures generate a cooler color tone.
Color Rendering Index (CRI): A measure of how light sources render colors. The higher (up to 100) the CRI, the better the color rendering.
ENERGY STAR®: A U.S. Environmental Protection Agency voluntary program that helps businesses and individuals save money and protect our climate through superior energy efficiency. Products can earn the ENERGY STAR® label by meeting the energy efficiency requirements set forth in ENERGY STAR® product specifications. EPA establishes these specifications based on a set of key guiding principles.