AC220V±10%, 50/60±1Hz; AC110V±10%, 50/60±1Hz

Present Working Time, Accumulating Time, Presetting Time from 10mins to 40hours

Power failure alarm, High&Low pressure alarm

ALTERNATIVELY

*Nebulizer
*Low purity alarm: when oxygen purity is above 82%, it will give green light; when the purity is blow 82%( 82% not included), it will give red light
*Maintenance alarm: alarm for maintenance after 3000 hours operation
*Alarm for high temperature inside systems above 50°C
*Pulse oximeter: fingertip pulse oximeter is available for monitoring patient oxygen saturation on site. 
*Small LCD display accumulating time; present working time; presetting time.