... bed number, air bubble, blocking alarm, transfusion completion, pressure, flow speed, etc.speed, set volume, accumulated volume, battery, patient bed ... 12V; Power Consumption 25VABattery ChargingAutomatic battery charge when transfusion pump connected with AC power supply and turned on (full charge needs ... (86~106) kPa,Relative humidity: 80% or below High precision Syringe Pump & Infusion Pump