A great choice for stapling in the office or while traveling, the Swingline® Optima® Grip Electric Stapler is fast and quiet so you can be productive without disturbing your co-workers. It staples up to 20 sheets, Jam Free Guaranteed, with Optima™ Premium Staples. A cushion grip and ergonomic design, the Optima Grip staples automatically or use as a handheld. Runs on power via the included AC adapter or 4 AA batteries. Intelligent Paper Alignment Guide and Stack Height Gauge guides staple placement and ensure you don't exceed the maximum sheet count. The QuickLoad™ feature simplifies staple refilling. Just push a button and the staple magazine pops out from the front.