TWO FOR THE PRICE OF ONE! This pack includes: 2diffusers with power adapters, 12 oils, measuring cups and manuals. 7 different light colorsavailable : Different light color modes available as the unit runs adding another aspectto engage your senses. Blue, Teal, Orange, Purple, Green, Red and Pink. Instructions for use : Place unit upright and plug in DC adapter. Remove the topand use the filling cup to add water to the basin. The maximum capacity of thebasin is 300ml. Press the “MIST” button to select the time mode of 1 hour/ 3hours/6 hours or on. When the basin is empty of water it will automaticallyshut off. Push the “LIGHT” button to select 7 different rotating colors whilethe diffusor is running. Drain and clean the basin when not in use. The 12 oilsinclude cinnamon, eucalyptus, tea tree, vanilla, peppermint and lavender.