High volume pump for fast inflation
Max pressure: 58psi MTB specfic­
Extra adaptors for ball and air bed inflation
Large stable base
Dual head compatible with Presta and Schrader valve

Digital gauge use:
Pull plastic strip from battery compartment to activate 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 use.