... display: 1999 auto polarity display.2 measurement modes: manual measurement.3. Sampling speed; approximately 3 times per second.4 ... : -10 ~ 50 °C Relative humidity <80% RH.8 Power: one 9V battery (NEDA1604/6F22 or equivalent model).9 ... display value: 1999Dimensions: approximately 186 × 86 × 33mmStandard accessories: table pen, manual, jacket, warranty card, battery (built-in Digital Multimeter ...