The General Tools EP8710 is a calibratable multi-function thermo-hygrometer/psychrometer designed for precise measurement of temperature and humidity. This device features a dual display for simultaneous readings, ensuring accurate monitoring in various environments. With a temperature range of -4°F to 140°F and humidity range of 0% to 100%, it is ideal for HVAC applications, laboratories, and environmental studies. The EP8710 is built with durable materials and complies with industry standards, making it a reliable choice for professionals. It includes a user-friendly interface and is powered by a long-lasting battery, ensuring consistent performance.