1.5 V. Guaranteed for up to 10 years (when stored in a cool dry place) in storage. Ultimate long lasting. Great products at a price you'll love - that's Essential Everyday. Our goal is to provide the products your family wants, at a substantial savings versus comparable brands. We're so confident that you'll love Essential Everyday, we stand behind our products with a 100% satisfaction guarantee. 100% Quality Guaranteed: Like it or let us make it right. That's our quality promise. 877-932-7948. essentialeveryday.com. Made in China.