Analog-Digital Trainer Single Board - Includes Operation Manual and Power Adapter Portable: Easily transported. Large solderless breadboard area (1,640 tie points) Power Supply: 9V and +5V @ 500ma Digital: 16 tri-state multi-color LED indicatiors which remain in a normally lit pattern which alerts user that the LED is functioning (color then changes when in operation). Two independent clocks, 16 logic switches, 2 momentary switches. Analog: Sine and Square wave generator. Variable amplitude, variable offset, variable frequency to 20K Operation manual and power adapter (12V) included