For Use On Metal Valve Stems And For RV And Trailer Applications; 8 Flow Thru Sensors; 3-1/2 Inch TST Wide Screen Color Display; With Audio And Visual Alerts; With Replaceable Battery/ Two Installation Wrenches/ Rubber Display Mount/ Suction Cup Display Mount/ USB And 12 Volt Charging Capabilities/ Detailed User Manual/ One 507 Repeater