1. Used for infusion of medication at a built-in programmable rate. 2. Built-in rate programmable consists of 7 rate points from 15ml/h to 105ml/h, each increasing at a gap of 15ml/h. 3. During operation, you can choose to continue infusion in 3 modes: A. continue infusion at programmable rate after changing IV pipe; B. continue infusion at constant speed of the currently on-going rate; C. continue infusion at constant speed of a different rate point adjusted. 4. Pause function allowing for change of IV pipe or rate change during operation. 5. Intellectual control of infusion process. 6. All kinds of alarm functions. 7. KVO (1ml/h). 8. IV sets: universal. All brands of IV sets of national standard are compatible.