Tandy Radio Shack Color Computer 2

I have the main unit.

type computer
country USA
year 1983
os basic OS9 level 1
cpu Motorola 6809E
speed 0,98 MHz
ram 64 KB
rom 8 KB
graphic 256 x 192 (2)
colors 9
sound 1 voice
ports cartridge, two analog joysticks, cassette, RS323, TV RF