1) Electrolysis cell : Solid Polymer Membrane type 2) H2 purity: > 99.99999% 3) Drying system : single column dryer with programmable automatic regeneration via an integrated clever calendar 4) Outlet Pressure : 12 bar 5) H2 flow rate (max) : 120,180,260,400,500,650,800,900,1000,1200 ml/min 6) Safety : Auto shut-off / Low internal volume (< 50ml) 7) User interface : Set points, system status, user parameter 8) Internal Water tank : 2.3L 9) Display : LCD display set points, status, alarms 10) Indicator lighters : Power ON, System OK, system error 11 ) Options: Remote wireless display control 12) Water: Deionized or distilled > 10 M§Ù 13) Dimensions: 30 x 43 x 43 cm (W x H x D)