Power SupplyAC 220V 50Hz or DC 12V (AC110V available if required) Power ConsumptionLess than 25VA Applicable syringes20ml, 50/60ml or 100ml disposable syringes; Compatible with most brands syringes Infusion Limitation Options20ml syringe 0.1ml/h-150ml/h; 50/60ml syringe 0.1ml/h-300ml/h; 100ml syringe 0.1ml/h-300ml/h; in 0.1 ml/h increments Syringe AccuracyMechanical accuracy including syringe ± 5% AlarmsAudible alarms with visual indicators of "NEAR EMPTY", "COMPLETE", "OCCLUSION", and "LOW BATT" Included Accessoriesa) 3-core standard power cable b) IV pole clamp c) DC 12v 2-pin plug d) Disposable Tubings Battery Operation4 hours continuously operation at 50 ml/hr with built-in rechargeable Ni-MH battery DimensionsL × B × H: 335×142×120mm Weight2.5 kgs / 5.5 lbs