1.Display: Big LCD touch screen
2.Display the contents: the oxygen concentration, the oxygen purity and motor working state, continuous oxygen time / time
3.Alarm function: power supply, oxygen purity, circulation system pressure, compressor circuit fault
4.Alarm mode: sound and light alarm
5.Reminder: replace battery
6.Automatic shutdown: When arriving the fixed time the oxygen concentrator can automatically stop the compressor.The fan will delay 3 minutes of work and automatically turn off power after heat dissipation
7.Timing function: continuous operation time, accurate timing, automatic cumulative timing
8.Nebulization