T-king(TM) Versatile LB01 Resistance Current Voltmeter Signal Generator Process Calibrator Voltage Signal Tester 4-20mA/0-10V/mV LCD display (LB01) Expect with the conventional signal input and output functions,as well as resistance V,mV,mA,  input&output has a corresponding button,call directly All functions all use internal electronic switch,and some other brands on the market,unlike DIP Segment LCD clear display and used multimeter or a calculator is the same.Large display area Two connector terminals,any level,regardless of the input and output terminals of the full use