This Blak-Ray® high intensity UV lamp offers brilliant irradiance for optimum fluorescence. The "P" series lamps come with the special heat resistant Plastic Cool-Touch™ housing which allows users to handle the lamp head regardless of how long the lamp has been operating. These rugged lamps can be placed face down on a working surface without damage to the filter. Self-ballasted bulb included with the B-100SP has an average life of 450 to 2000 hrs depending on use patterns. Self-ballasted lamp is a highly portable, high intensity lamp for automotive leak detection applications. The ballast is built directly into the bulb. B-100SP Model. 9.75 D x 6in dia. Lamp Head. Plastic Cool-Touch™ Housing. 365nm Longwave UV Source. 11,600/5,000µW/cm² Intensity at 2/10in. 8 ft. Cord Length. 3.14 lb. Weight. 115V. 140w. UVP® #: 95-0128-01.