Requires 2 AA batteries (not included). Push on/off. Battery Operated: Add safety and security to any room in your house. Ideal for bedrooms, kitchens, basements, attics and closets. Requires 2 AA batteries (not included). Tabletop or wall mount. For indoor use only. Not for use in wet or damp locations. www.jascoproducts.com. This Jasco product comes with a 90 day warranty. Visit www.jascoproducts.com for details. Made in China.