Handheld Automatic Tire Inflator Features a 12 IN Hose With Spring Protector. Clip-On Chuck and 8 IN Dual Foot Chuck Included. Digital Display With 2 Presets, Auto Inflate, Deflate and Over Pressure Setting and Underinflation Protection. Underinflation Warning, Will Not Auto Inflate If Tire Pressure is Less Than 80% of the Desired Tire Pressure. Rechargeable Li-Ion Battery.Features a 12” hose with spring protector. Clip-on chuck and 8” dual foot chuck included. • Digital display, audible warning, 2 presetable inflation settings. • Auto Inflate and deflate with Over Pressure setting and underinflation protection • Underinflation warning, will not auto inflate if tire pressure is less than 80% of the desired tire pressure. • 12 foot hose with spring protector, Clip-on chuck & 8” dual foot chuck included • 1/4” NPT thread for all air connection • Accuracy: ± 0.3 p.s.i. @ 25-75 p.s.i. • Charger voltage: Input AC 110 - 240 V (50-60 Hz) • Batteries: DC 12V rechargeable Li-Ion battery • Black Rubber cover • Operating temperature: +14 to +122 degrees F (-10 to +50 C) • Automatic turn on and shut off to save battery life