The Adesso Easy Touch Waterproof Ergonomic Keypad offers desktop and notebook users the benefits of a full-sized external numeric keypad in a compact size, featuring 18 quiet membrane keys. The membrane switches inside each key feature a 5-million-keystroke life cycle. Innovative and portable, the keypad is designed for those on the go, notebook users, points of sale, kiosks, accounting and financial institutions, libraries and more. Even casual gamers will appreciate the precision of the keypad.