Sperry Instruments Pocket DM4A, Voltage, Outlet Tester, Yellow Digital Multimeter 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 600V, 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. Operates from (1) 3V CR2032 battery. Unit ships with battery and test leads. Features Measures AC/DC Voltage, Resistance, Frequency, Continuity, Duty Cycle, and Diode Test Pocket-sized design for easy use, storage and transportation Data hold feature captures the reading on the display Auto power off and low battery indicator USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.