Four lines1KhzAC sine battery internal resistance meter0.01 Milliohm-200Euro range.Measurable lead acid,Lithium ion,Lithium polymer,Lithium iron phosphate,alkalinity,dry battery,ni- ,Nickel cadmium,Button, battery, etc. Short press the power on button to turn on the low resistance function,measure0.30-0.50Milliohm internal resistance Low resistance function.This function can be improved5Accuracy of internal resistance below milliohm.High capacity lithium batteries are becoming more and more popular,This function is very important.Moreover, the low resistance function of the instrument improves the speed,Almost as fast as turning off the low resistance function. Style: D Material:ABS colour:Black Package Contents: 1 * Tester 1 * Probe 1 * Test Clip 1 * Four Wire Frame Only the above package content, other products are not included. Note: Light 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.