Features:1.Made of high quality material, durable and long lasting.2. Just add pure water into air cooler and it can continuously supply you with moist air so that you can work and live comfortably in the hot summer.3.You can place it in your bedroom, Baby room, office and so on. You can also carry it on a hot summer trip. 4.Ultra quiet operation offers you a peaceful and comfortable sleep.5.There are 2 types for your option, meet your different needs. Notice:Please allow 1-3cm deviation due to manual measurementActual color may be slightly different from the image due to different monitor and light effectDescription:Material:ABSSiliconeSize: 11*10.5*17.8CMInput: 5V/1APower: 4WBattery capacity: 2000mAhWorking hours: 2-4hCharging time: 2HWater tank capacity: 260mL Package List:1x Fan1x Type-C Cable