2 G16.5 bulbs. 120 V. Life: 1500 hours. Small base. Special safety circuit feature. Safety Circuit - A special design feature of Sylvania G16.5 bulbs minimizes arcing at the end of the filament life. Arching can cause lamp base to fuse to its socket or in some cases, overload the electrical system resulting in blown fuses or tripped circuit breakers. Recommended Uses: decorative fixtures; pendant fixtures; vanity lighting. Operate in any position. Made in Thailand.