Improved audible and visual indicators, lead placement prompts and easy-to-read markings are just a few of the engineering features included in this essential tool that exceeds expectations of professional electricians like you. The Sperry Instruments DM6400 8-Function/28-Range Digital Multimeter offers a handy data-hold switch that maintains readings maximum count: 1999 through multiple tests. The auto-off function and a low-battery indicator help save battery life and ensure correct readings with every use. Pros on the go appreciate its durable ergonomic and impact-resistant design that is manufactured to the latest industry standards. Capable of testing AC/DC voltage and current, it also measures amps, resistance and continuity audible, and performs diode and battery testing 1.5V 2000mV/9V 20V. CAT III 660V/CAT II 1000V, cETLus and CE rated. Limited-lifetime warranty included for extra performance assurance. The Sperry 8 Function Digital Multimeter displays test lead input icons to provide correct lead placement for desired test. This multimeter is equipped with the industry’s leading LCD display size. Its large digital display allows for easy viewing. Capable of testing AC/DC voltage and current. Data hold feature captures reading on the display. Impact resistant housing with protective rubber boot. Operates from one 9 volt battery included. DC Voltage Range: 200mV, 2V, 20V, 200V, 1000V DC Voltage Accuracy: 200mV 2V 20V 200V 0.5%+2dgt, 1000V 0.8%+3dgt AC Voltage Range: 2V, 20V, 200V, 750V AC Voltage Accuracy: 2V 20V 200V 0.8%+ 5dgt, 750V 1.0%+5dgt DC Amps Range: 200uA, 2mA, 20mA, 200mA, 10A DC Amps Accuracy: 200A 2000A 20MA 200mA 0.8%+2dgt 10A 1.2%+5dgt AC Amps Range: 200uA, 2mA, 20mA, 200mA, 10A AC Amps Accuracy: 200A 2000A 20mA 200mA 1.0%+5dgt 10A 1.2%+5dgt Resistance Range: 200, 2K, 20K, 200K, 2M, 20M Resistance Accuracy: 200 2K 20K 200K 2M 0.8%+3dgt 20M 1.2%+5dgt Battery Testing: 1.5V 2000mV/9V 20V Diode Test: Yes Continuity Test: Yes CAT Rating III 600V, II 1000V