Tested and working as it should.The Camco AC Line Voltage Meter is a vintage analog unit designed for use in boats, RVs, generators, and other applications. This plug-in multimeter allows for easy testing and measurement of AC voltage levels, making it a reliable tool for ensuring proper electrical function in various systems. With a compact form factor and reliable Camco brand reputation, this unit is a valuable addition to any boat, RV, or generator setup for monitoring electrical performance and troubleshooting potential issues. A-28-f