【Usages】Designed for accurate and safe troubleshooting of various electrical problems in automotive and household industries. 【With data hold function】Meter with data hold function, easier to read data.< /p> 【Large digital screen】Features a large digital display for quick battery testing and accurate results. 【Multifunction】The voltage test function for AC and DC voltages. Low battery indication function. 【Supports buzzer/on-off diode tester】Supports buzzer and diode test function, overload protection function.