Reads [degree]C and F. 1.3cm LCD digits. Readings updated 2.5 times per second. Range: -50 to 400[degree]C. Hold button freezes readings. NIST traceable. 17.8Hx7.6Lx3.2Wcm. NIST traceable. Includes platinum 4-wire probe with 101.6cm cable and 9V battery.