We designed specifically this air conditioner fan for individual use, it is easy to carry and not taking up space space, great for bedroom, office, dorm, trip, etc. You can add water or small ice s in the water tank. A full tank of water can continuously keep spraying for 3-8 hours (depending on the speed of fan ). The waterless indicator will flash when the tank is dry. The misting fan has 7 soft colors. Place in dining or coffee table to create a romantic atmosphere! You can also long press to turn off the LED light. NOTICE: This portable air conditioner only cools the area around the user. It is not only an personal air cooler, but also a desk fan, air humidifier, LED mood light. You can use the small evaporative air cooler all year round, cooling you in hot summer and humidifying the air in dry autumn and winter. keep yourself from dry, hot air and enjoy the mist. Colour: blue Material:ABS Size:16.6 x 16.6 x 17.5cm Package Contents: 1 * fan 1 * USB charging cable 1 * English manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.