Pump Type: Drip type infusion pump Pumping Way: Peristalic fingers Adjustable Drop Rate Range: 1~400 drops/min (step: 1 drop/min) Adjustable Volume Rate Range:1~1200 ml/h (when 1~99.9 ml/h, step: 0.1 ml/h; greater than 99.9 ml/h, step: 1 ml/h) Flow Precision:Within±3% (using the IV set appointed by the manufacturer or calibrated high quality IV set) Mechanical precision: within±2%. Purge Rate:800 ml/h KVO Rate:1 ml/h (1~300 ml/h); 3 ml/h (greater than 300 ml/h); Infusion Volume Range: 1 ml~9999.9 ml (step: 0.1 ml) Maximum Accumulated Volume:9999.9 ml (step: 0.1 ml) Time Range:1 min~9999 min (step: 1 min) Occlusion Alarm Threshold: High: 800 mmHg±200 mmHg (106.7kPa±26.7kPa) Medium: 500 mmHg±100 mmHg (66.7kPa±13.3kPa) Low: 300 mmHg±100 mmHg (40.7kPa±13.3kPa) Alarm: Infusion Complete, Empty, Faulty Signal, Misoperation, Occlusion, Door Open, Air Bubble, Low Battery, Setting Error, AC power off, Idle. Air Bubble Detector: Method: ultrasonic wave, sensitivity: ≧25 μL Fuse: F1AL/250V ("F" indicate fast,"L" indicate low breaking capacity), 2 pcs (installed inside pump). Power Supply: AC 85~265V, 50/60Hz; Internal Battery:11.1V rechargeable li-ion battery. Capacity:≧2000mAh; the pump can work more than 4 hours at the flow rate of 25 ml/h after charging for 8 hours (Medium rate specified by GB 9706.27-2005). Power: ≦40VA Size: 188 mm(L)*198 mm(W)*228 mm(H) Weight: 2.2KG