Extech Model # EX520 Double molded for waterproof protection Rugged design drop proof to 6 feet True RMS 6000 count Type K Temperature Capacitance 1000V input protection on all functions Dual sensitivity frequency functions Large backlit LCD with bargraph Diode open circuit voltage of 2.8V DC Auto power off with disable feature Min/Max/Relative/Data Hold CE and EN61010 CAT IV-600V, and CAT III-1000V > Each Unit Includes Double Molded Test Leads Type K Bead Wire Temperature Probe One 9V Battery