HeroNeo&reg; Mini Digital Multimeter with Buzzer Voltage Ampere Meter Test Probe DC AC LCD To avoid electrical shock hazard and/or damage of the instrument.Do not measure voltages that might Diode and transistor testing, continuity and buzzer measurement With test probe leads, wide range of application Come with buzzer, pocket and easy to carry, cost efficient Overload Protection (0.5A/250V fuse, 10A no fuse)