Auto zero function large LCD monitor clear display - With adjustable shelf and monitor single 32 position switch for function and range - Measurement Method: double integral A/D conversion. - One handed operation control & rational arrangement of range - Overload indication and protection low battery indication - A compact battery operated handheld with safety protector - Auto ranging with good sensitivity resolution and accuracy - Streamlined thick protective sleeve comfortable to use and anti-shock - Knob switch and accurate range display more convenient - Best choice for technicians service men students and hobbyists who required an instrument that is accurate reliable and always ready for use