Quickly and conveniently check outlets, fuses, wires, plugs, motors, electronic circuits and more with Sperry's new pocket digital multimeter. The Sperry pocket digital multimeter offers 7 testing functions including AC/DC voltage up to 600 V, resistance, frequency, continuity, duty cycle and diode testing over 21 ranges with auto-ranging capability. Designed for someone seeking a convenient and simple yet accurate and efficient multimeter. This compact unit features overload protection on all ranges and both a low battery indicator and an auto-power off function to improve battery efficiency.