Smart App, Alexa & Google Assitance Voice Control: Remotely control your humidifier through the ProscenicHome App, or through the Alexa or Google Assitance voice commands, making it smarter and easier to improve your quality of life. Note: This humidifiers app supports only 2.4GHz Wi-Fi, doesn't support 5G. Large capacity for a long working time: This mist humidifier has a 5. 5L capacity water tank with a maximum working time of up to 36 hours, 7-speed gear adjustment, heating, constant humidity, negative ion function, baby mode, etc. Aromatherapy function: Add the essential oils to the aroma container, and then use the misting function to give your home a pure and fresh aroma. It is suitable for yoga studios, gyms, living rooms, bedrooms and, nurseries. Note: Do not add essential oils to the water tank, as this will cause leakage and stop the machine from working properly. Intelligent constant humidity: The 807C air humidifier comes with humidity sensors that automatically sense the humidity in the air, and adjust the output for the most comfortable humidity, which greatly improves air quality. Scheduled humidification: The humidification time and humidification mode can be programmed through the App or the remote control. The machine will automatically shut-off when the water level is too low. HEPA filter the air you breath in to make it cleaner and healthier. Note: The filter placed in the humidifier is wrapped in a plastic bag, please remove the plastic bag before use. Otherwise, the humidifier will not work properly.