Enda ei7412 programmable universal led indicator displays with relays enda ei7412 sm as12 sw this programmable panel mounting display is used to indicate the value of one of four input types voltage or current the unit has a 12v dc 50ma auxiliary power supply output and 2x relay outputs additional features include an easy to use front panel keypad and a 4 digit led display with an adjustable display scale and adjustable decimal point 4 step adjustable sampling time and a unit of measure