The Extech TM55 folding pocket thermometer measures temperatures from -40 °C to 250 °C (-40 °F to 482 °F) with an accuracy of ± 0.5 °C (1 °F). It has a 61 mm stainless steel probe and is particularly suitable for measuring liquids, pastes and semi-solid foods. The thermometer is supplied with a CR2032 battery included.