You can add flower petals or essential oils according to your personal preference. Warm color night light design, two light switching adjustments to turn on at will Built-in 1800mAh high-quality lithium battery, can be repeatedly and discharged use Built-in 700ml water tank Automatic power-off protection when running out of water Instructions: 1.Place the humidifier at a proper placehorizontally 2Take out the absorbent cotton, soak itfirst, and then put it into the humidifyingrod. At the same time, inject pure waterolclean tap water into the transparent watelstorage container. after filling with waterthe humidifying rod back at the rightposition, start the "power" button, and theequipment will enter the humidifying state. 3.When the humidifer is in water shortagecondition,the product will automaticallypower off. Repeat to use it again. 4.When the light flashes,chargetheproduct timely. 5.if the light is always on and the electricitydoes not fog, press again for a short time toturn onthe humidification function Colour:Green Material:PP+PC Size:13.5 x 13.5 x 17cm Package Contents: 1 x Humidifier 1 x Charge Cable Only the above package content, other products are not included. Note: Light reflection 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.