ALZO 45W Joyous Light® Full Spectrum CFL Light Bulb 5500K, 2800 Lumens, 120V

• The Joyous Light® is a crisp, bright white light ideal for reading and tasks that require visual accuracy
• CFL bulb has natural daylight balanced color temperature of 5500K
• Chases away winter blues, alleviates the effects of Seasonal Affective Disorder S.A.D.
• This is a large bulb that might not fit standard household lamps; see diagram above
• 10-inch ALZO lamp harp will fit this bulb

The Joyous Light® 45W Full Spectrum light bulb generates daylight balanced lighting at 5500K, energy saving, long-lasting at about 8,000 hours with 2800 Lumens output, 120V; low energy consumption, good for starting plant growth. This is a compact fluorescent light (CFL) bulb. Fits all medium-base E27/E26 sockets, but its large size might create a fit problem with standard lamp harps of household light fixtures; a larger lamp harp is needed. Dimensions: Length: 7 inches; Width (Diameter): 3 inches; Length socket base to top of ballast: 3 inches; Width (diameter) of socket: 1 inch. Important: ALZO CFL bulb life is based on the bulb in an open-air upright orientation. When ALZO bulbs are installed in fixtures that lack adequate ventilation, the life of the bulb will be reduced. If an ALZO CFL bulb is installed in an overhead recessed light fixture with the bulb glass below the base, the life of the bulb will be greatly reduced.

Is a photography light bulb different from a general use bulb?

• Fits all medium base sockets E26/E27
• Energy-saving, uses about 1/4 of the energy of a comparable Tungsten bulb
• Generates very little heat

What is CRI Color Rendering Index?
Lumens and Lux, Definition of Light Measurement