*Easy plug-and-play installation. *Wireless models use a USB 2.0 RF micro-transmitter (included). *Wireless models run off 2 AA batteries (included).- Numeric 10-key for number crunching. *The graphic is not a decal or sticker. It is printed directly onto the keys (or mouse) and will never wear off. It is just as comfortable as typing on a plain keyboard. *Printed in the USA. *Warrented against manufacturers defects for 1 year from date of purchase. *Dimensions: 18" wide 6.75" deep 0.75" thick *Brand new