Wall Mounted Automatic Fragrance Machine Hotel Spray Toilet Deodorization Household Perfume Machine Air Diffuser With Digital Display Specification: Material: ABS Machine color: White Size: 170*65mm Working voltage: 5V Battery Capacity:1000mAh Input interface: USB Micro Rechargeable Endurance: 12 hours (minimum) to 1 month (maximum) Noise: less than 36db when spraying Working principle: Acoustic atomization Essential oil capacity: 50ml Applicable area: less than 60 ㎡ Installation: Wall-mounted (Comes with sticky hook), or desktop use Fragrance(Choosen): Shangri-La, Hilton, Jasmine, Real me Option 1：Only Diffuser Machine (Oil is NOT Included) 1*Machine 1*Wall Sticky Hook 1*USB Cable 1*User Manual Option 2：Oil (Choosen) Only Shangri-La Oil, Hilton Oil, Jasmine Oil or Real me Oil【Machine is not Included】