M1 timing disinfection mode: the factory Settings is 30 minutes ozonedisinfection, 1 minute fresh air filtration, then the machine automatically stopworking and screen shut down. (M1 timing mode can set the length ofdisinfection time according to needs) M2 intermittent disinfection mode: the machine work 5 minutes, stop 9minutes, so continuous cycle work until the battery runs out and it will stopautomatically M3 continuous disinfection mode: the machine continuously work toproduce ozone disinfection, will automatically stop until the battery runs out Effective sterilization and disinfection Disinfection treasure uses the "sterilization" effect of ozone to comprehensively disinfect the inside of the ventilator, pipes, masks and humidifiers that are difficult to clean and prone to bacteria Low noise operation Quiet and comfortable experience, away from noisy roars, allowing users to complete the disinfection of the oxygen concentrator in a comfortable environment Charging Time: 12 hours to fully charge Usage Time: 6-10 uses on a full charge Battery Type: Rechargeable Lithium-ion Power Supply: Universal 100-240V, 5V USB port charging Color:As Shown Material:ABS Package Contents: 1 * CPAP Cleaner Machine kits Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.