This Radioshack TRS-80 Model 1 vintage computer has been fully tested and is ready for use. It is a great addition to any vintage computing collection. With its original vintage design and United States manufacturing, this home computer is a piece of history. The computer is in excellent working condition and can be used right away. Whether you are a vintage computer enthusiast or a collector, this TRS-80 is an excellent choice. The serial number of the unit is 003625 which is one of the early issues to the public. I am told you can view of an exact copy of this machine at the Smithsonian Museum in Washington DC. The original cassette recorder needs a new belt which are about $10. Included also are about 40 cassette tapes with purchased programs and programs I wrote. The computer has been in storage for the last 45 years and includes a set of manuals. Included in the package is cassette tape and tapes, monitor (which has a date of manufacture of December 1977, keyboard/computer, all cables, power supply.