Features: 
●Automatically identifies via micro-computer  
●Automatically calibrates software parameters and returns to zero when starting-up
●Automatically inflates, deflates and presets pressure
●Automatically checks system functions
●Acousto-optical warning and prompting function of error reporting
●Once preset, directly inflates, deflates
●With LCD super large screen design, indicates inflation pressure and actual press 
●With easy DIY installation saves installation cost
●Suitable for tyre shops, auto beautification shops, and 4S shops