User-friendly operation Physical & Digital keys, 4.3 '' big touch screen, easy to operate Full color display with multiple infusion parameter   Highlighted functions : 5000 history records with date and time stamp 2000 drug library capacity (editable) 12 adjustable occlusion pressure settings 7 levels of air bubble alarm with accumulated air bubble calculation 08 Infusion Modes: Rate, Time, Body-weight, drip, Drug library, Ramp up/down, Loading-dose, Sequence Micro mode: yes Infusion theory Linear peristalsis Rate Range 0.1-1500ml/h Rate incensement: 0.01ml/h(0.01-99.99ml/h) 0.1ml/h(100-999.9ml/h) 1ml/h(1000-1500ml/h)   Manufacturer: MedRena , Model:             Unifusion VP50 Country:          China