Features: 1. Three kinds of infusion mode: rate mode, time mod and body weight mode. Different mode, better medicine effect 2.Suitable for any standard syringes of 5ml, 10ml, 20ml, 30ml, 50 ml. Self-diagnose syringe size and automatically set parameters 3. Selectable kvo rate fm 0.1 to 5 ml/h, higher rate than sk-500i. 4. Injection time , dose , solution can be checked in the injecting process 5. Save the preset volume automatically upon unpredictable switch off 6. Awarded with iso13485: (tuv germany) and ce certificate Standard papcking