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FAQ
Q
LED Lighting Attributes and Terminology
A
LED -- Stands for light-emitting diode. LEDs are semiconductor devices, which emit visible light when an electric current passes through it. Most LEDs are monochromatic and occur at a single wavelength.

Color Temperature -- Color temperature is measured in Kelvin (K), which indicates the hue of the light and is not a measurement of heat. The higher the value, the closer the hue of the light is to actual sunlight. The lower the value, the more yellow-tinted the light is. Color temperatures 5,000K and above are a bright bluish white, and lower color temperatures (2,700-3,000K) are warmer yellow-ish light. Very low Kelvin values will have a redder hue.

CRI -- Stands for Color Rendering Index, which measures how accurately a light source makes the color of an object appear to its true color. The CRI runs on a scale of 0-100, and the higher the Index number, the better the light source is at rendering color. Light sources with a CRI of 85-90 are good, while 90 and above is excellent. CRI is dependent on color temperature as the hue of the light cast can affect perception of the object's color. A 2700K warm color temperature has a CRI of 100. Brighter, "sunlight" color temperatures closer to 5000K have CRI's of 75-90.
Q
Omni-directional: These bulbs have at least a 300 degree beam angle.
A
LED -- Stands for light-emitting diode. LEDs are semiconductor devices, which emit visible light when an electric current passes through it. Most LEDs are monochromatic and occur at a single wavelength.

Color Temperature -- Color temperature is measured in Kelvin (K), which indicates the hue of the light and is not a measurement of heat. The higher the value, the closer the hue of the light is to actual sunlight. The lower the value, the more yellow-tinted the light is. Color temperatures 5,000K and above are a bright bluish white, and lower color temperatures (2,700-3,000K) are warmer yellow-ish light. Very low Kelvin values will have a redder hue.

CRI -- Stands for Color Rendering Index, which measures how accurately a light source makes the color of an object appear to its true color. The CRI runs on a scale of 0-100, and the higher the Index number, the better the light source is at rendering color. Light sources with a CRI of 85-90 are good, while 90 and above is excellent. CRI is dependent on color temperature as the hue of the light cast can affect perception of the object's color. A 2700K warm color temperature has a CRI of 100. Brighter, "sunlight" color temperatures closer to 5000K have CRI's of 75-90.
Q
The length of the tube of an LED replacement for conventional fluorescent lights: 18 in., 2ft., 3ft., 4ft., and 8ft. lengths
A
LED -- Stands for light-emitting diode. LEDs are semiconductor devices, which emit visible light when an electric current passes through it. Most LEDs are monochromatic and occur at a single wavelength.

Color Temperature -- Color temperature is measured in Kelvin (K), which indicates the hue of the light and is not a measurement of heat. The higher the value, the closer the hue of the light is to actual sunlight. The lower the value, the more yellow-tinted the light is. Color temperatures 5,000K and above are a bright bluish white, and lower color temperatures (2,700-3,000K) are warmer yellow-ish light. Very low Kelvin values will have a redder hue.

CRI -- Stands for Color Rendering Index, which measures how accurately a light source makes the color of an object appear to its true color. The CRI runs on a scale of 0-100, and the higher the Index number, the better the light source is at rendering color. Light sources with a CRI of 85-90 are good, while 90 and above is excellent. CRI is dependent on color temperature as the hue of the light cast can affect perception of the object's color. A 2700K warm color temperature has a CRI of 100. Brighter, "sunlight" color temperatures closer to 5000K have CRI's of 75-90.
Q
LED Lighting Attributes and Terminology
A
LED -- Stands for light-emitting diode. LEDs are semiconductor devices, which emit visible light when an electric current passes through it. Most LEDs are monochromatic and occur at a single wavelength.

Color Temperature -- Color temperature is measured in Kelvin (K), which indicates the hue of the light and is not a measurement of heat. The higher the value, the closer the hue of the light is to actual sunlight. The lower the value, the more yellow-tinted the light is. Color temperatures 5,000K and above are a bright bluish white, and lower color temperatures (2,700-3,000K) are warmer yellow-ish light. Very low Kelvin values will have a redder hue.

CRI -- Stands for Color Rendering Index, which measures how accurately a light source makes the color of an object appear to its true color. The CRI runs on a scale of 0-100, and the higher the Index number, the better the light source is at rendering color. Light sources with a CRI of 85-90 are good, while 90 and above is excellent. CRI is dependent on color temperature as the hue of the light cast can affect perception of the object's color. A 2700K warm color temperature has a CRI of 100. Brighter, "sunlight" color temperatures closer to 5000K have CRI's of 75-90.
Q
illuminate. Standard room temperature or below is ideal
A
LED -- Stands for light-emitting diode. LEDs are semiconductor devices, which emit visible light when an electric current passes through it. Most LEDs are monochromatic and occur at a single wavelength.

Color Temperature -- Color temperature is measured in Kelvin (K), which indicates the hue of the light and is not a measurement of heat. The higher the value, the closer the hue of the light is to actual sunlight. The lower the value, the more yellow-tinted the light is. Color temperatures 5,000K and above are a bright bluish white, and lower color temperatures (2,700-3,000K) are warmer yellow-ish light. Very low Kelvin values will have a redder hue.

CRI -- Stands for Color Rendering Index, which measures how accurately a light source makes the color of an object appear to its true color. The CRI runs on a scale of 0-100, and the higher the Index number, the better the light source is at rendering color. Light sources with a CRI of 85-90 are good, while 90 and above is excellent. CRI is dependent on color temperature as the hue of the light cast can affect perception of the object's color. A 2700K warm color temperature has a CRI of 100. Brighter, "sunlight" color temperatures closer to 5000K have CRI's of 75-90.
Q
Operating temp: the cooler the ambient temperature of the room/area, the longer and brighter the LEDs
A
LED -- Stands for light-emitting diode. LEDs are semiconductor devices, which emit visible light when an electric current passes through it. Most LEDs are monochromatic and occur at a single wavelength.

Color Temperature -- Color temperature is measured in Kelvin (K), which indicates the hue of the light and is not a measurement of heat. The higher the value, the closer the hue of the light is to actual sunlight. The lower the value, the more yellow-tinted the light is. Color temperatures 5,000K and above are a bright bluish white, and lower color temperatures (2,700-3,000K) are warmer yellow-ish light. Very low Kelvin values will have a redder hue.

CRI -- Stands for Color Rendering Index, which measures how accurately a light source makes the color of an object appear to its true color. The CRI runs on a scale of 0-100, and the higher the Index number, the better the light source is at rendering color. Light sources with a CRI of 85-90 are good, while 90 and above is excellent. CRI is dependent on color temperature as the hue of the light cast can affect perception of the object's color. A 2700K warm color temperature has a CRI of 100. Brighter, "sunlight" color temperatures closer to 5000K have CRI's of 75-90.
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