... /h (certain flow rate point) Long-press Function keys Increment,decrement,maintenance,aptitude key,pause and ... indicator,bed No.,air bubble,occlusion and empty. Alarm function Infusion completion,occlusion,air bubble,low battery, ... Ourter shell material ABS plastic Applicable standard Comply with standard of EN ISO 14971:2000, IEC 60601 ... 10min Portable piston infusion pump with price(CE approved)