KAIWEETS HT208D Clamp Meter can be a perfect choice for car service workshops or other places with difficult environmental conditions. It has basic functions which enable measurement of AC/DC voltage, AC/DC current, resistance, capacitance, frequency, temperature and inrush current. Features: Display update frequency: approx. 3 Hz Measuring impedance&nbsp:10 MO (V range) Operating voltage: 3 × AAA (1.5V) Weight: approx. 700g Dimension: 285mm × 135mm × 60mm Security standard: IEC 61010-1 IEC 61010-2-032: CAT III 1000V / CAT IV 600V  IEC 61010-2-033: CAT III 1000V / CAT IV 600V Operating temperature: 0 to +40 ? Operating humidity: <80%  Operating height: 0 to max. 2000 m Storage temperature : - 10 to +60 ? Air humidity in storage : <70%