After-sales Service Provided:None Warranty:None Timing Function:Yes Noise: App-Controlled:NO Notice: Actual color may be slightly different from the image due to different monitor and light effect; Please allow 1-3cm deviation due to manual measurement. Perfect Gift Idea: Its beautiful look make it a really creative gift idea. It is a great and unique gift item for families, kids, friends in special days such as Birthday, Christmas and New Year's day. Sale Guarantee: If you have any questions about the product, please contact us, our professional customer service t Low noise, does not affect sleep. Moisturize at any time, not wet the desktop. Compact and lightweight, can be used in the car. Can add alcohol, disinfectant, water-soluble essential oils, perfume. eam will solve the problem for you as soon as possible.