The Optima 45 Electric Stapler from Swingline electrically staples sheets with accuracy and consistency. This model has a 45 sheet stapling capacity and is durable to withstand frequent, high capacity use. Manual or automatic operation, with both plug-in and battery power options. (AC Adapter included) LED light indicates low staple count. Flat clinch stapling makes neater stacks of stapled paper. The stapler also has ¼” to 1 1/8” adjustable depth guide for staple positioning. This model also features a one-touch drawer that keeps extra staples handy.