Precision Digital P/N PD6602-L5N, Series Loop Leader, 1/8 DIN Loop-Powered Digital Panel Meter , Dual Line Display, 4-20 mA Input, Loop Power, (2) Open Collectors, (2) SS Relays, (1) 4-20 mA Output Output, None Transmitter Power, 1/8 DIN (Horizontal) Pane