Overview: Measuring Temperature Range:-50℃~-70℃ Temperature Accuracy: ±1℃ Temperature Display Resulution:0.1℃ Operating Voltage:1.5V, two button cell size LR44 Sampling period:1SLCD Dimension: 46.5mmx 27mm Specification: Product:4.8x 2.86x 1.52cm 0.0254kg 77cm