Cleanly punch up to 20 sheets of 20lb paper with this dual loading electric or battery operated 3 hole punch. Paper can be loaded horizontally or vertically for ultimate convenience. It's compact modern design accentuates any desktop, and adjustable paper guide makes for easy customization. Easy clean chip drawer helps to maintain a spotless work environment. Precision steel punch heads. Use 6 AA batteries when operating on battery power. Three hole punch. Manufacturer's limited seven year warranty. Black.