LEMONBEST Handheld Pro. LCD Screen Digital Ohm VOLT Meter AC DC Voltmeter Multimeter Anti-burn superior performance. after the power on about 25 minutes, it will automatically cut off. according to the required position, the display screen can be visual angle of about 70 OMS IC, overrange indication;automatic calibration, automatic polarity selection. Increasing the hold, auto-off function, louder beep sound, test lead Probe, international standard. Highly reliable range / function rotary switch structure. 32-stalls, more effectively avoid misuse.