Swingline Electric Stapler, Optima Grip, 20 Sheet Capacity, Jam Free (48207) JAM-FREE OPTIMA ELECTRIC STAPLER  Fast and quiet, this electric stapler allows for frequent stapling without noisy disruptions. Jam Free guarantee means fast functionality without interruptions. POWERED FOR MOBILITY  Offers the flexibility of plug-in or battery operated automatic stapling. AC adapter included. Four AA batteries not included. Not compatible with rechargeable batteries. SECURES 20 SHEETS  Fastens up to 20 sheets when used with Optima Premium Staples. QuickLoad function makes reloading easier. Just press a button and the magazine pops out from the front. ACCURATE STAPLE PLACEMENT  Built-in Intelligent Paper Alignment Guide and Stack Height Gauge help ensure accurate staple placement and sheet counts. MANUAL OR AUTOMATIC OPERATION  Features a user control switch that allows you to choose. You can use the automatic stapling function or use the grip mode to activate the motor for manual control. ERGONOMIC DESIGN  Sleek, black and silver stapler has a compact shape, for a smaller desktop footprint, and an ergonomic cushion grip for added comfort. BUILT TO LAST  Swingline stands behind this high-quality stapler with a limited 2-year warranty.