Max pressure: 140psi
Digital gauge
Accurate 1 psi increments
Large air tank to maintain consistent pressure and easier pumping.  
Dual head compatible with Presta and Schrader valve
Extra adaptors for ball and air bed inflation

Digital gauge use:
Pull plastic strip from battery compartment to activate digital gauge.
Press power button to turn on. 
Press power button to change untis (PSI, BAR,KPA,KG/CM2).
Press and hold to turn off.
Automatically turns off when not in.

To change battery:  
Locate battery compartment.
Place a flat screwdriver under the lip of the battery tray.
With a finger slide tab across while using a screwdriver to gently pull tray forward.
Replace existing CR2032 battery then push shut the compartment.