-Extremely robust aluminium body with protective rubber bumper - Long accurate life expectancy. -Small compact body is the lightest metal bodied digital inflator on the market - -Easy to use with reduced fatigue. -Slimline biomorphic body shape gives increased comfort for the user - Fast to use and handle. -Higher pressure range for multiple applications 4 - 250 psi range (including trucks) - Versatile and flexible saving time and money. -Permanently backlit in use, auto off after 25 seconds no-use - Easy to read in dark workshops or at night - Increased flexibility saving cost and time. -Large screen and clear digits - Easy and quick to read - Increasing accuracy and speed of use.IP54 - can be used indoors and outdoors, saving time and increasing service. Individually tested and certified against national approved gauges. Replaceable 2 X AAA batteries power unit (supplied). 3 units of calibration toggle as standard -psi, bar & kPa.Registered Design."