1. Double CPU, Safter Infusion 2. Brightness LCD, Display visually 3. Numeric Keypad, User Friendly 4. 10 Level occlusion pressure detection adjustable 5. Occlusion, Air-in-line, Audio Visual Alarm Volume: 10 settings 6.3000Ah Lithium Battery, Backup Life: >=10hours 7. KVO adjustable 0.1-5ml/h 5mL,10mL, 20mL, 30mL, 50/60mL syringes Flow Rate Range 5ml syringe: 0.01-60mL/h 10mL syringe: 0.01 ~ 300 mL/h 20mL syringe: 0.01 ~ 400 mL/h 30mL syringe: 0.01 ~ 600 mL/h 50mL syringe: 0.01 ~ 1200 mL/h