Extech EX530 - Heavy Duty - TRMS Thermometer Features: Double molded for waterproof (IP67) protection Rugged design - drop proof to 6 feet True RMS 40,000 count Type K Temperature Capacitance Peak Hold 4 to 20mA 1000V input protection on all functions Dual sensitivity frequency functions Large backlit LCD with bargraph Duty Cycle function 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, CAT III-1000V Complete with double molded test leads, magnetic hanging strap, Type K bead wire temperature probe, carrying case, and one 9V battery Three year warranty