The Alpina Aroma AS3000s is a scent machine. Originating from Guangdong, China. Brand name can be customized (OEM), model number is AS3000s. Power is 15W, voltage is 12V. Suitable for public places like hotels,hospital， especially for large rooms. With a capacity of 1000ml, it is an electric essential oil aroma diffuser and also an aerosol freshener. App-controlled.