The Astron VS70M Adjustable 70 Amp Voltage Amp Meter VS-70M is a reliable and efficient tool for monitoring and regulating power supplies in a variety of electrical setups. With its adjustable settings and ability to measure up to 70 amps, this meter offers precise control and measurement for powering equipment or systems. The Astron brand is known for its quality and dependability in the electrical equipment and supplies sector, making this voltage amp meter a trusted choice for professionals and hobbyists alike. Plus, with free shipping included, it's a convenient option for those in need of accurate power supply monitoring. Was used at a company that tested break buddy units and was in good working order when removed from table this last week. Worked many years there and fixed many break buddy units but has closed it doors and now selling this unit from its original area it came from at a very cheap cost.