... , time-basedKVO Rate1- 5ml/h, adjustableAlarmsOcclusion, air-in-line, door open, end program, low battery, unattended pump after startupAdditional FeaturesReal-time shift ... (nurse call)OptionalDrop SensorOptionalPower Supply, AC110/230 V (optional), 50/60 Hz, 20 VABattery9.6 ±1.6 V, rechargeableBattery Life4 hours ...