Therma 20 Digital Thermometer No Probe This is the therma 20 only and does not come with a probe.Three probes are available seperately:-Penetration Probe - LMPP0130Air or Gas Probe - LMAP0001Foil between pack probe - LMAP0002 - Range -39.9 to +109.9 degrees- The Therma 20 Thermometer Incorporates an easy to use Luxberg screw-locking type connector, allowing a wide range of interchangeable probes to be used. - High system accuracy - Case includes Biomaster anti bacterial additive - Features a large, easy to read, LCD display with open circuit and low battery indication.