1M-20G Digital Ohmmeter Insulat Resistance Tester Handheld Insulat Tester LCD Insulat Measurement Instrument ,Easy to Use

Size of LCD: 68*44mm / 2.67*1.73in Power Supply: 6 * 1.5V AA battery (Not Included) Working Temperature: 0~40 Relative Humidity: <80% Safety Level: CAT-II 1000V and CAT-III 600V