1,Ruggized industrial keyboard with trackball 2,Water/dust proof 3,103 keys,including 12 Function keys and number keypad Key ... Features: 1) Waterproof industrial keyboard with 103 keys,including 12 function keys and number keys2) Panel mount(mounting from ... Optical trackball) More Photos Certifications Waterproof ruggized industrial keyboard with trackball ,Function keys and number keypad