120V. Life: 1500 hours. Safety Circuit - A special design feature of Sylvania B10 bulbs minimizes arcing at the end of the filament life. Sylvania: If you are not satisfied with this product's performance, return the UPC code along with your name and address to the address on this package. We will replace your bulb free of charge. CSA listed. www.sylvania.com (US). www.osram.com.mx (Mexico). Made in Thailand.