... h, adjustableAlarmsOcclusion, air-in-line, door open, end program, low battery, unattended pump after startupAdditional FeaturesReal-time shift totals, on-screen ... Management System (nurse call)OptionalDrop SensorOptionalPower Supply, AC110/230 V (optional), 50/60 Hz, 20 VABattery9.6 ±1.6 ... V, rechargeableBattery Life4 hours at 30 ml/hWorking Temperature10- 40° ...