Plug type: USB Model: 130ml aromatherapy machine Operation mode: keyboard type Scope of application: 11-20 Humidity Control: Humidistat Fog volume (gallons/day): 15-20ml/h Function: Aromatherapy Number of mist outlets: one Category: Humidification Water shortage and power outage protection: Yes Noise: Less than 36db Humidification : mist emission Voltage (V): 5V Power (watts): 6.5w Features 01::USB Diffuser Feature 02::Household Humidifier Feature 03::Essential Oil Diffuser Feature 04::Humidifier with night light Features 05::Beautiful diffuser Material: abs colour: black Package Contents: 1 x aromatherapy machine Only 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.