... infusion is near empty and infusion completes. Other functions include battery, mute, rate display, AC/DC power display and so ... accurate and reliable. Power source:AC: AC220V±10%50Hz,Inside battery: chargeable, DC 12V, 1800mAh nickel-hydrogen batteryBattery time: ... .9ml resettable Alarming: Blocking, low battery, running-out, injection ends, syringe off BJHRD LCD display Syringe Pump hospital CM-510