MOUSE 2 BOTOES MAIN NAME MOUSE INTERFACE USB CHARACTERISTICS 2 KEYS WITH TRACKBALL PLATFORM XP AND/OR SUPERIOR OTHER REQUIREMENTS SEE OBS COMMERCIAL REFERENCE TASTATUREN-TV1012 OBS: – MODEL TVG-38-2-KURZHUB-USB; – HOUSING OF FRONTPLATE STAINLESS STEEL; – DIMENSION 100 X 111 X 27 MM; – DEGREE OF PROTECTION IP-65; – CABLE LENGTH 1800 MM; – KEY TECHNOLOGY SHORT TRAVEL; – NUMBER OF KEYS 2; – BALL DIAMETER 38 MM; – BALL SPEED 203 PRO ROTATION.