... such as easy & safe operation, high-precision, intelligent alarm, self-testing, stable injection during long time, dispelling remained ... syringe moving speed in accordance with specific volume and time preseted for each injection.TECHNICAL PARAMETERPower SupplyAC: ... : (40±40kPa)Medium: (60±10kPa)High: (120±10kPa)Audible & Visual AlarmNear empty, Empty, Occlusion, Remove, Low battery, Device disengaged ...