High precision accurate to /- 0.6 psi Precise digital readout to 0.1 psi Continuous pressure reading, no need to reset when activating bleed valve Four selectable scales (PSI, BAR, KG-CM2, kPa) Large easy to read display with back light for low light applications Billet aluminum trapezoid body High flow push button bleeder valve for precise pressure adjustment 18 inch long high pressure hose with dual swivels and brass ball type air chuck Heavy duty anti-shock protective rubber boot on gauge Battery powered (1000 tests) with battery strength indicator Auto off to extend the battery life Battery included One year limited warranty