The Extech EX330 is a mini digital multimeter and voltage detector with automatic ranging and temperature detection, which features 0.5% basic accuracy, non-contact voltage measurement from 100 to 600VAC, and comes complete with test leads, stand, protective holster, two AAA batteries, and bead wire temperature probe. It offers a 4000 display count, data hold, type K temperature °F/°C switchable, capacitance, frequency, duty cycle, and relative functions.