Maintenance free, no consumables: 350,000 hours lifespan. One button control, no setting required. Requires no soap, water, cleaning solutions or ongoing maintenance. Small and easy to carry. You can take it anywhere. Effective disinfection: Performs effective disinfection to help purify the air. Easy to use: Simply connect your CPAP device to the sterilizer. This disinfectant for respiratory devices sterilizes the interior of respiratory device, tube, mask, and humidifier. It is also suitable for some household items. Silent operation: Effective cleaning of your CPAP supplies with one-button start. 25-minute cleaning cycle. Quiet design with built-in high-performance processor. After use, any residual odor can be removed by running the device for one minute with the mask connector attached. Rechargeable lithium-ion battery: Comes with a rechargeable lithium-ion battery. Charger included. Simply charge it, connect your CPAP hose, plug the mask into the unit, press a button, and in 25 minutes it will be clean. Color: Black Material: Plastic Package Contents: 1 x Disinfection device 1 x USB cable 1 x English manual Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement allowance is +/- 1-3 cm.