It is a portable handheld DC Milliohm meter, it uses 4 wires Kelvin clips to do the testing with high precision and short start time. It is designed for DIY user, electronic repair personal, technical school education and factory etc. to test low resistance application.Portable and handheld, easy to carry.Built-in lithium battery for power supply, Type-c charging port.4 wires Kelvin Clips with higher testing precision.Built-in 3296 potentiometer, user can do self-calibration.8888 red digital tube display.Automatically reset to 0, no need to adjust to 0.Resolution:1mMeasuring range:1-1999mTesting current:about 100mAAccuracy:(0.1%+2 words)Open circuit output voltage:less than equal 4.2VDCNo-load current consumption:13mAPower supply:3.7V 600mAHCharging port:TYPE-C 5V 1ACharging current:0.5ACharging indicator:Charging red LED on, Charging over LED offAccessory:4 wires clipsResistance testing method:4 wires Kelvin clipsworking environment:10-35 RH less than equal 80%Type:Big ClipColour:As ShownMaterial:PlasticPackage Contents:1 * Handheld DC Milliohmmeter1 * ClipOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.