[Powerful Humidifiers for large room] Our humidifier boasts a large 9L (2.3gal) water tank, capable of supporting a powerful mist output of 300ml/h for up to 40 hours on a single refill. [Say goodbye to manual adjustment] This large humidifier features customized humidity control ranging from 40% to 90%, which can intelligently detect your room's real-time humidity and automatically switch off the mist output when it reaches the preset level. [Designed to make your life easier] You can fill the large water tank directly from the top without disassembly. [Sleep Mode & Quiet & Diffuser Function] This floor humidifier features a Sleep Mode for undisturbed dreams, with the lights on the control panel turned off. [30 Days Replacement & 12 Months Warranty] The best after-sales service team is always be with you. Please contact us freely through the order detail page if you have any questions about this product, we will get back to you within 12 hours to help you resolve the issue.