120V. Life 1500 hours. Standard base. Indoor. Safety Circuit - A special design feature of Sylvania G16.5 bulbs minimizes arcing at the end of the filament life. Arcing 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. CSA listed. Made in Thailand.