Specifications:Using 8 seven segment displays First 4 seven segments (Red displays), displays PV (Present Value or process value) Sec> Thermocouple Type: B, E, J, K, R, S, N, T, and RTDs Set Relay number: Custom Made Output Signal: 4 to 20 mA, 0 - 5 VDC, 0 - 10 VDC optional Setting: Feather Touch Keys