This digital insulation resistance tester has stable performance and reliable result. With large LCD display， easy to read.<br> <br> Features:<br> Reliable insulation resistance tester with stable performance.<br> Perfect protective function， it can withstand the impact of short-circuit and offset voltage.<br> Locking function of test button， wide measurement range， convenient to use.<br> Powered by 6 batteries(not included)， with low power consumption.<br> Voltage for your choice: 500V， 1000V， 2500V.<br> Large LCD display， easy to read.<br> <br> Specifications:<br> Voltage: 500V / 1000V / 2500V<br> Measurement Range:<br> 500V 2000MΩ: 10M-2000M<br> 500V 20GΩ: 200M-20G<br> 1000V 2000MΩ: 50M-2000M<br> 1000V 20GΩ: 500M-20G<br> 2500V 2000MG: 100M-2000M<br> 2500V 20GΩ: 1000M-20G<br> Resolution: 1M / 10M<br> AC Voltage: 750V<br> Resolution: 1V<br> Current: Max.280mA<br> Operating Temperature: 0-40°C<br> Operating Humidity: 30%-80%RH<br> Power Supply: 6 * 1.5V AA Battery (not included)<br> Item Size: 18 * 11 * 5cm / 7.1 * 4.3 * 2in<br> Item Weight: 441g / 15.5oz<br> Package Size: 24 * 18 * 7.5cm / 9.4 * 7.1 * 3in<br> Package Weight: 733g / 25.8oz<br> <br> Package List:<br> 1 * Insulation Resistance Tester(battery not included)<br> 1 * Pair of Test Lead<br> 1 * Pair of Test Clip<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>