Process Indicator Input:4-20mA 0-75mV 0-10V or TC/RTD etc. Display:4- LED -1999 --9999 Auxilliary power: 24V/ ... for voltage & ampere measurementFeatures:1) Input: mA, mV, V, Pt100. Ω. TC(R S T B J K E) etc..2) Display: -1999 ... different models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer ...