Power supply mode: chargingFunctions: aromatherapy, mute, automatic sprayerApplicable area: less than 30 m2Shape: roundWater shortage and power failure protection: YesCommodity Attribute:Operation mode: portableNumber of fog outlets: 1Style: RecommendedStyle: MiniDuration: 3-6hType: foggedBuilt in battery or not: Built in batterySensing range: /120 degreesAromatherapy range: 30 square metersAccessories: instruction manual, charging cableCharging line battery: 3.7V,800mAhsensing range: /120degreeMaterial: Plasticcolour: whitePackage Contents:1 x diffuser(not include oils)1 x usb cableOnly 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.