Measuring Range : -50~1300 C Resolution : 1°C Accuracy : -50~-20 ± 4°C -20~0°C: ± 3°C 0~750°C: ±(1%1°C) Operating Temp. : 0~40°C Power Source : 1 x 9v (9F22) Dimensions : 20 x 70 x 105 mm