1) Positive End Expiratory Pressure (PEEP)
-Type: Integrated, electronically controlled
-Range: OFF, 4 to 30 cm H2O (increments of 1 cm H2O)
2) Battery Back-up
-Battery type: Internal rechargeable sealed lead acid
-Backup power: Demonstrated battery time under typical operating conditions is 90+ minutes when fully charged. Battery time under extreme conditions is 30 minutes.