Features:DAR: PI: Auto Range: Low Battery Indication: LCD Backlight: Alarm Light Display: Alarm Buzzer: High Voltage Indication: Over Load Indication: Auto Disharge: Test Voltage Vice Display: Specifications:Model: UT502AInsulation Resistance(): Test Voltage: 500V/1000V/2500V 0%~10%500V: 0.00M~99.9M (3%+5) ; 100M~5.5G (5%+5)1000V: 0.00M~99.9M (3%+5) ; 100M~5.5G (5%+5)2500V: 0.00M~99.9M (3%+5) ; 100M~9.9G (5%+5) ; 10.0G20.0G (10%+5)Load Current: 500V(R=500K) 1mA 0%~10% ; 1000V(R=1M) 1mA 0%~10% ; 2500V(R=2.5M) 1mA 0%~10%Short Circuit Current: 200mAAC Voltage (V): 30V~750V (2%+3)General Characteristic:Power: 6 * 1.5V Alkaline Batteries (not included)LCD Size: 65mm x 27mmProduct Net Weight: 500 gProduct Size: 150mm * 100mm * 71mmProduct Color: Red and GreyPackage Size: 18.5 * 15 * 9cm / 7.3 * 5.9 * 3.7inPackage Weight: 757g / 1.7lbPackage List:1 * UNI-T UT502A Insulation Resistance Meter1 * Pair Test Lead1 * Pair Alligator Clips1 * Carrying Bag1 * English ManualChina