Specification Brand : Atyhao BulletPoint1 : [Multifunctional Design] This diffuser not only expands fragrance but also eliminates odors. the nano atomized oil, combined with plant extracts, efficiently decomposes odors for a pleasant ambiance. BulletPoint2 : [Large Range Coverage] With four-stage timing, bass , and two power supply methods, this diffuser efficiently disperses fragrance across various environments for a lasting effect. BulletPoint3 : [Set Working Time Period] Easily adjust the system time, operating time period, and concentration, while the intelligent fragrance expander ensures a continuous, delightful scent experience. BulletPoint4 : [Easy Installation] Designed for versatility, this diffuser can be easily moved and is suitable for different locations. reinforced back hanging ensures secure placement to prevent accidents. BulletPoint5 : [Fluid Fine Atomization] Enjoy exposure to floral scents as the diffuser quickly atomizes oil into fragrance molecules, providing a wider range of extension and longer-lasting freshness. Color : White ItemName : Fragrance Machine for Fresh Air, Intelligent Diffuser, Always Fragrant, Easy Installation, Large Range Expansion, Quiet, Fashionable Design (White) ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 18 centimeters ItemPackageDimensions_Width : 18 centimeters ItemTypeKeyword : diffusers Manufacturer : Atyhao ModelName : Atyhaob2f5s3c9q0-12 ModelNumber : Atyhaob2f5s3c9q0-12 PartNumber : Atyhaob2f5s3c9q0-12 ProductDescription : Specification: Item Type: Aromatherapy Machine Product Material: PP Weight: Approx. 559.00g / 19.7oz Working Temperature: 5°C-50°C / 41°F-122°F Noise: Oil Capacity (Bottle): 140ML (Liquid Not Included) Oil Consumption: 0.7ml/h Coverage: Approx. 30-200m³ / 1059-7063ft³ Size: Approx. 17.8x13.3x6cm / 7.0x5.2x2.4in Wall Hanging Hole Spacing: Approx. 7cm / 2.8in Battery: D Battery x 3 (Shipped Without Battery) USB Power Port: DC 5V Type C Power Supply: Battery or USB (Battery and USB Cable Not Included) Placement: Wall Mounted or Desktop Set up work segments: This device allows for four operating periods and can set working days based on multiple selections. (MODE): Work cycle selection, four working hours timing, cycle on/off function, as follows: (Note: The set time and end time must be greater than the start time for the setting to be effective.) SET: Enter the device state. Settings such as time, week, etc. UP: Fine tune upwards. Adjustable time data, fragrance data, and work date selection. DOWN: Fine tune down. Adjustable time data, fragrance data, and work date selection. (Press and hold this key for 5 seconds to all parameters to their factory settings.)