Features:With 60mm jaw opening.Measuring AC/DC voltage， AC current， resistance， temperature， continuity buzzer， 261 option(500V)insulation testerK-type thermocouple probePortable design， easy to use.Large LCD， easy reading， Max Display 1999 with data holdLow battery indication                                                              Overload indicationManual range operationSpecifications:DC Voltage: 200mV ±0.5% ; 2V-20V-200V ±0.8% ; 1000V ±1.0%AC Voltage: 200V-750v ±1.0%AC Current: 20A-200A-1000A ±2.5%Resistance: 200-20K-2MΩ ±1.0%Temperature: 0~750℃ / 32~1400℉ ±1.5%Insulation test(with option(500V)insulation tester unit): 20MΩ±2.0%; 2000MΩ±4.0%General Characteristics:Dimension: 23 * 9 * 3.5cmPowewr Supply: 1 * 9VBattery/6F22 (not included)Package Size: 25 * 12.3 * 5cm / 9.8 * 4.8 * 2inPackage Weight: 368g / 13ozPackage List:1 * 266C Digital Clamp Meter1 * K-type Thermocouple Probe1 * Test Lead1 * English Manual