It's small and compact but the reservoir is big enough to give you 8 hours of use.It's super easy to use simply lift off and fill up 300ML. Good essential oil diffuser with a modern look that would, bedroom, room,bathroom,home,office essentials The unit has an auto cut out feature for when it runs dry so there is no concerns there.The vaporizer humidifier scrolls through the set colours gradually, with each one blending into the .you can switch off the light function if you don't want it. If you have the lights on, you can see the colour not only in a band around the fragrance diffuser but also through the pierced lid. This defusers comes with an easy-to-use remote to control the diffuser's on/off, timer modes, lights. 3 timing modes (long time atomization, 2 hours, 4 hours) and 1 intermittent atomization mode (10 seconds atomization - 10 seconds pause, cycle atomization) When the water level of the water tank is lower than the water level probe in the water tank, all spray modes will be automatically turned off to eliminate safety hazards. Silence operation 30dB allows you to sleep in a comfortable and quiet environment. There are two modes of night light function, constant light mode & breathing light mode, you can adjust according to your favorite. Colour:A: black Material:wood Package Contents: 1 x Humidifier 1 x c-type charging 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.