General Tools TS04 ToolSmart Bluetooth Connected Digital Multimeter, Auto-Ranging with NCV Detector, CAT III 600V Safety Rated The ToolSmart Digital Multimeter reads voltage, current, resistance, temperature, and more with turn of the dial, features 10 functions and 26 ranges This voltmeter features an integrated non-contact voltage detector and a K-type bead thermocouple probe Pair with your phone as a second screen for visibility in dark environments and to simplify two person jobs; ETL certified safe for CAT III 600V use Quickly save your multimeter readings to the ToolSmart app on your phone and organize your findings by project to increase your productivity Digital volt meter comes with a pair of double insulated test leads, bead thermocouple probe and plug adapter, 9V battery and user manual