The Extech EX330 mini digital multimeter is a compact, ruggedly designed multimeter including a non-contact voltage detector in order to detect the presence of AC voltage before testing. The EX330 is also capable of capacitance, resistance and frequency measurements as well as temperture readings via Type K thermocouple (°F/°C switchable). Basic accuracy for the meter is ±0.5%. Other features of the meter include data hold, low battery indicator and large, easily readable 1" display digits.