You can easily place this palm-sized diffuser on your Bedside table, desktop, home, or in a travel backpack. The MAX water level of the diffuser is 180mL. You can set it to continuous mist that keep misting until water runs out Or set it to intermittent mist that diffuser mists and pauses every 15s. It can last all night until you sleep. It will fill your room with aromatherapy. New ultrasonic technology supports an extremely quiet working noise. Helps to improve breathing and sleeping, relieve allergy, reduce static electricity shocks in the dry climate. You can enjoy a relaxed sleep and in an aromatherapy diffuser room, without worrying about the oil diffuser be damaged by lack of water. The aromatherapy essential oil diffuser is made of plastic with a faux wood look, light can switch from Gradient light to separate light. Great for creating atmosphere, meditation, or using as a night light. all Products From Us Have Undergone Strict Quality Checks. if There Is Any Quality Problem Or You Are Not Satisfied With The Product contact Us. we Will Give You The Best Solution.