Features:3½ digits， 7segment，15mm high LCD DisplayMax display: 1999， Auto polarity displayPortable and compact designOverload protection on all rangesSampling 2~3 times readings per second.Diode assembly test / Transistor P-N junction test/Transistor hFE test.Low battery voltage indication.Data hold function.Specifications:Model:XL830LMeasuring range:Max AC Voltage range:600VMax DC Voltage range:600VResistance Measurement:200 Ohm-2000K Ohm rangeScale degree&Accuracy:Showed as in the tableFunction Range Resolution Accuracy200mV 100uV 2000mV 1mV ?��(0.5%+2)DC Voltage 20V 10mV200V 100mV600V 1V ?��(0.8%+2)200V 100mV AC Voltage 6000V 1V200uA 0.1mA 2000uA 1uA ?��(1.2%+10)DC Current 20mA 10uA ?��(1.0%+2)200mA 100uA ?�� (1.5%+2)10A 10mA ?��(3.0%+2)Resistance 200? 0.1? 2000? 1? ?��(0.8%+3)20K? 10?200K? 100?2000K? 1000?Power Supply:9V 6F22 batteryDimension:142x72x34mmColour:blackUnit net weight218gUnit packing gross weight:290g