The Sealey SA390 Qube Digital Tyre Inflator with Nitrogen (N2) purge capability The Sealey SA390 is a Digital Tyre Inflator with robust, high reliability and modern design which is lightweight and space-saving. featuring Electronic pressure set with an additional four-button memory function, as well as three modes, inflate, deflate and over pressure setting (OPS) - which allows operator to set the machine to automatically seat the bead on new tyres whilst getting on with alternative work. The inclusion of the nitrogen (N2) purge facility allows the unit to increase the effectiveness of this increasingly popular tyre service. Red flashing light, flashing screen and audio signal for end of cycle. Auto-start Inflation. Ceramic sensor gives guaranteed accuracy to ± 0.5% of full scale reading even with hoses up to 50m in length. 21mm Backlit transflective LCD gives a clear easy-to-read display. Supplied with a wall bracket, 5m hose with new patented design clip-on connector and 3-pin plug. Features:    Auto-start Inflation Nitrogen (N2) purge capability Touch screen technology with human touch recognition software 21mm Backlit transflective LCD gives a clear easy-to-read display Red flashing light, flashing screen and audio signal for end of cycle Electronic pressure preset with additional four button memory function Robust, high reliability and modern design which is lightweight and space-saving Three modes, inflate, deflate and over pressure setting (OPS) - for automated bead seating Ceramic sensor gives guaranteed accuracy to ± 0.5% of full scale reading even with hose up to 50m in length Supplied with a wall bracket, 5m hose with new patented design PCL clip-on connector and BS approved 13A plug Specification: Model No: SA390