Continuous positive airway pressure non-invasive ventilator equipment Suitable for osa patients (obstructive sleep apnea patients). Specification Pressure range:4-20cmh2oh Work mode:Cpap, auto, bipap Ramp item:0-60min adjustable 1min/step Dimensions:180l x 118w x 96h mm Dc voltage:24vdc Dc current:2.5a maximum Lcd screen:2.8 inch, 320 x 240 Protection against electric shock:Class ii, type bf Data communicationUsb 2.0 Features: Auto-adjusting pressure for personalized treatment during sleep; More than 20hr real time data and more than 1 year used records can be saved; Showing airflow and pressure waves on screen; Usb port for data communication; Combined smart technologies; Contemporary and stylish design for bedroom appeal. Epr(expiratory pressure relief) Auto-leak compensation Auto-altitude compensation Alarm for cut down the power Independent airflow channel Huge display, 2.8¡¡à tft screen, show airflow and pressure on screen Parameters lock: all the parameters can¡¡¥t be changed after setting Dimensions:180l x 118w x 96h mm