Temperature Measuring range: -35 ~ +70 °C; ±0.5 °C Protection class: IP67 Measuring rate: 1 min - 24 h Battery type: CR2450, 3V, 500 day Memory: 40,000 measuring values Dimensions: 44 x 12 x 97 mm Accessories: testo 184 T3 temperature logger and adhesive installation pad