RANMEI A Reliable Digital Voltmeter And Insulation Resistance Tester Combined

[WIDE MEASUREMENT RANGE] Capable of measuring AC voltage from 1V to 750V and DC voltage up to 1000V, this tester provides accurate readings across a broad range, reliability in every use. [MULTI-FUNCTIONAL FEATURES] Equipped with data hold function, low battery indication, and backlit LCD display, this device ensures ease of use even in low-light conditions while providing vital operational alerts. [ERGONOMIC AND DESIGN] Featuring a shoulder strap for convenient handling and a protective cover for the operating panel, this tester is designed to withstand rigorous use without sacrificing comfort or usability. [POWER OPTIONS FOR FLEXIBILITY] Operates on six 5V batteries or an external 9V DC power cord, offering power options for consistent performance in various environments.