6ES7720-2AC20-0YB0 SIEMENS SIMATIC S7

SIMATIC S7, PG 720 C STN COL. DISPLAY, 80486 DX4/100 32 MB RAM, 810 MB HD, WIN95 STEP5/STEP7, MICRO DOS/-WIN, 5 LANGUAGE VERSION (G,E,F,S,I)