Why Choose KOIOS UHM-JS02 Humidifier?--------------- Due to the defects of structural design, 4 problems cannot be avoided by other humidifiers on the market: Water Leakage, Low Mist Output, Uneven Mist Output, and Difficulty in Cleaning.----------------------- The patented and innovative design of KOIOS humidifier COMPLETELY ELIMINATES the above problems.--------------------- ----------------Patented Design: 100% No Leakage, Easy to Clean & Refill ----------------KOIOS Cool Mist Humidifier: The humidification unit is located in the water tank, thus water cannot leak unless the water tank is damaged. Furthermore, the humidification unit is a detachable component, making water tank simple to clean. - Innovative Structure: High Level Mist Output Thanks to the upgraded design, the max cool mist output of the humidifier has been increased to 380mL/h, and its rated voltage is only 15.6W (Energy Saving), which is impossible for other common humidifiers. - Perfectly Balanced: Consistent Mist Output The atomization area is isolated from the water tank, thus the mist output remains consistent regardless of the water level thanks to smart design. Humidifier & Essential Oil Diffuser 2-in-1 KOIOS humidifier: You can add essential oil to the mist outlet. This is the most effective way to quickly release the fragrance. The humidifier is primarily made of PP material (common type of material for baby bottles), which is corrosion resistant. Apply essential oil directly to water tank.