Infusion pump :znb-xd Launched in 1994, the first chinese-made infusion pump . m, low pressure Additional features: Real-time shift totals, automatic power switching, mute button, bolus, system malfunction Air-in-line detection: Ultrasonic detector Data interface port of infusion management system: Optional Power supply, ac: 110/230 vac, 50/60 hz, 20 va Battery :9.6+-1.6v, rechargeable Batterylife: 3 hours at the 30 ml/h Working temperature: 10-40 degree centigrade Relative humidity: 30-75% Atmospheric pressure: 700-1060 hpa Size: 174*126*215 mm Weight: 2.5 kg Safety classification: Class i, type bf International standard packing . Size :174*126*215mm Weight:2.5kg