Incredibly Easy to Use: Just Position， Pull， and Fill.It is exceptionally easy to use. Just position the chuck on the tire stem， pull the lever on the chuck， and fill. If you wish to keep a record of the pressure result， the gauge will keep the pressure rating when you remove the chuck from the stem， and then it will clear the reading when you touch the reset button.Features:Inflation gun， chuck， and gauge are all combined in one easy to use unitClip-on design enables hands-free chuck useBuilt-in relief valve for reducing pressure in over-inflated tiresIncludes flexible hose for easier useIdeal for cars， motorycycles， bikes， etc.Including air-bleed switch， adjust air pressure when the tyre pressure is too highMax. pressure: 15BAR， 220PSI， 1500KPA Model : JHIX62001 Features: Portable Test Unit/Mode: BAR Material : Plastic， Aluminum alloy Color : Black Package weight: 0.3506 kg Product size (L x W x H) : 21.5 x 9 x 6 cm / 8.45 x 3.54 x 2.36 inches Package size (L x W x H) : 27.5 x 15.5 x 8 cm / 10.81 x 6.09 x 3.14 inches Package contents:1 x Air Tire Inflating Tool with Gauge