HH912T is a dual input digital thermometer includes 2 type K thermocouple. This digital thermometer is compatible with Type K, J, T or E thermocouple probes to provide a wide range of temperature measurements from -250 to 1372°C (-418 to 2502°F). The HH912T model offers dual channel inputs and boast a 2000 hour battery life using 3AA batteries that are included. It provides a dependable and uninterrupted portable measurement capability without expensive batteries, AC adaptors or chargers. The creative ergonomic design of these instruments makes them easy-to-read, hold, and clean. Designed for one-handed operation, these tools are comfortable to carry and use for extended periods of time.