MH-O01 Singel Flow Oxygen

SP02 Low Purity alarm: When oxygen purity is above 92%, it will give green light; When the purity is between 85% it will give Yellow light; when purity is below 73%, it will give red light; Maintenance alarm: Alarm for maintenance will be heard after 3000 hours Of operation . It Can Be Run ByCar Adapter, Continous Flow, Light Weight. Dc12v, Lithium Battery (one Hour), 220v-240v Or 110v