05-LPM-902-065 Laser Power Supply for Helium Neon tube by Melles Griot. Input : 115/230 Vac Output: 1.85 to 2.45 KVdc 6.5mA Usual fully encapsulated "brick" with Alden connector. 5 wires, inc voltage select option and start purple loop. + current calibration pot beneath calibration seal. Status: O.E. boxed NOS (New Old Stock) ***** DANGER WARNING - Very High Output Voltage - not a toy but a serious piece of lab / engineering equipment - treat with respect *******