This is a pre-owned Alltest Model 4300 Digital Electronic Ignition Module Tester. As a used item, its condition is as-is, making it suitable for experienced technicians, hobbyists, or as a potential source for parts. Free shipping is offered with this purchase. This tester is designed for diagnosing ignition module functionality in automotive applications. Please note that details on specific features, included accessories, or operational status are limited from the provided information. For a complete understanding of the item's exact condition and capabilities, it is recommended to check the full listing details and any available photos before making a purchasing decision. Vintage Alltest Model 4300 Digital Electronic Igntion Module Tester untedted. Condition: Used. Listed at 39.99 USD. found in my great grandpa's garage. I don't know how to test. sold as is