Portable Ventilator Model: HFS3000 Feature: 1.Multiple ventilation modes:A/C,SIMV,MANUAL. 2.Manual button used during CPR. 3.Electric-pneumatically controlled, time/pressure switched and microprocessor monitored. 4.LCD display,LED state indicator,Multiple visual and audible alarms. pact,portable,lightweight(1.0kg),durable design.