MUJI Ultrasonic Aroma Diffuser, Approximately 80mm diameter x 140mm height, 82240764 Brand new, unused item. External dimensions: 80mm diameter x 140mm height Tank capacity: 100ml Weight: Approximately 220g (excluding AC adapter), Power cord length: Approximately 170cm Materials: Main body: PP, Measuring cup: PP, Adapter: ABS The mist generated by ultrasonic waves effectively diffuses the aroma. You can also enjoy it as a light by turning on the light. ・Continuous operating time: Approximately 3 hours ・Applicable floor area: Approximately 6-8 tatami mats ・4-step timer (180/120/60/30 minutes) ・Water tank capacity: Approximately 100ml ・Estimated electricity cost: Approximately 0.26 yen/hour ・2-step brightness adjustment function How to use Please use correctly according to the instruction manual.