The Swingline Optima 20 Electric Punch is designed for efficient three-hole punching, capable of handling up to 20 sheets of 20 lb. paper. Its compact design allows for easy handling and storage, making it a suitable addition to any workspace. The alignment indicators ensure precise punching, while the transparent, hinged chip drawer provides a clear view of when it needs to be emptied. This electric punch operates with an included AC adapter or six AA batteries, and features an automatic reverse function to clear any jams.