Sierra 18-9905 AC/DC Low Current Clamp MeterAC/DC current measurement from 1 mA up to 100 AAC/DC voltage measurement up to 600 VFeatures: Clamp opens up to 1/2" (12.5mm); One rotary switch operation; Large 4 digit LCD display; One-touch auto zero; Peak hold function; Data hold function; Relative measurement; Includes soft shell carrying case;