The Swingline Optima Grip electric stapler provides true handheld use and go-anywhere portability with a compact design that lets you take reliable automatic stapling wherever you need it. Peace of mind with a jam-free guarantee and total intuitive user control - you"re in charge of where and when stapling activates. Insert paper for automatic stapling, or press the comfortable grip and let the stapler"s motor do the work. Included is a stack height gauge and staple placement guide to go along with the convenient plug-in or battery operation. This stapler offers jam-free stapling of up to 20 sheets with Swingline S.F. 3 or Optima Premium Staples. Each stapler is backed by a manufacturer"s limited 2 year warranty and a 100 percent performance guarantee. Swingline, a leading brand in workspace tools for the business, home and mobile office for over 80 years continues to introduce new staplers, sharpeners, punches and trimmers that solve common workplace frustrations and increase productivity. With unmatched quality, durability and performance, Swingline products are truly designed for the way you work!