* Allow slight dimension difference due to manual measurement.
* Open its cover and add water from its right side (The round white piece side).3 inches (H) x 4. · POWER VIA USB & EASY TO USE: The diffuser is powered via USB and you can easily control it via the MISTING button and the LIGHTING button on the device. There is a MAX LINE inside the tank for noticing its max capacity and you can easily note its remaining water amount by the round translucent window on its front.