ABS material, LCD display, 70-99% measurement range, ± 2% accuracy, ± 1% resolution, 5℃-40℃ operating temperature, 70~106kPa air pressure, 30-240BPM measuring range, -10℃-40℃ storage temperature, 15-80% operating humidity, 2 x AAA battery, 64g weight, 6.2 x 3.3 x 3.5 cm dimension.