BUT1931 Features: * Fluorescent bulb * Pack of 25 * Average rated life is based on 3 hours cycles * Ideal for commercial / industrial applications and signage/displays * Energy saving Color/Finish: * Color temperature: 3000K / 4100K Specifications: * Wattage: 4W Dimensions: * Dimensions: 3.75" H x 3.75" W x 6.5" D