Description °C/°F exchange 99 hours 59 minutes 59 second countdown Elapsed count up after countdown Memory for preset countdown Specifications Measurement range: -50° to +300°C/-58° to +572°F Time range: 99 hours 59 minutes 59 seconds count down maximum Battery: 1.5V size AAA x 1 pc Display size: 49 x 15mm Probe size: 0.04 x 150mm (0.025 at tip portion) Probe cord length: 1000mm Product Size: 68 x 51 x 18mm