Maximum infusion rate:500ml/h (Different syringes have different maximum rate). Range of infusion rate:10ml syringe: 0.1-100ml/h 20ml syringe : 0.1-200ml/h 50ml syringe : 0.1-500ml/h Bolus rate: 10ml syringe : 100ml/h 20ml syringe : 200ml/h 50ml syringe : 500ml/h Accumulated infusion volume 0.1-999.9ml Accuracy ±3％ Power supply:AC110-240V, 50/60Hz, 25W. Battery:Rechargeable lithium battery, 7.4 V, 1650mAh,compliance with the requirements of IEC 60601-1. Maximum power consumption :25W, running more than 5 hours after being fully charged. Battery charge:When syringe pump is connected to AC power, the battery will automatically start charging (need8~14hrs). Fuses:F2.0AL, 250V. Displayed information:Flow rate, accumulated infusion volume, syringe size, battery capacity, bed No., AC power connecting indication Alarm information:infusion completion, near completion, occlusion, low battery, syringe abnormal, control abnormal, no AC alarm Electrical Shock Proof Battery: Class II; AC Power: Type BF . Applicable syringes 10ml, 20ml and 50ml syringe (use ‘Double Dove’ syringe to test).