Remote or Smart Touch : 16 colors or 7 colors change night light by both touch button and remote control.Remote control : 16 colors changing / Remote Control function / Dimmable / 4 cyclic flashing modes.Touch button: 7 colors can be set. USB or Battery Power: Two ways of power supply: 3* AA Batteries (Not included) or USB connection (Suggested).Very low heat-conductive, will not be hot after long time working,Soft warm light, will not hurt eyes. Applicable scenarios: This 3D night lights would be girls,boys,families,friends,Valentines day Giftable,women or men,boyfriend or girlfriend,wife or husband.used in home,bedroom, child room,living room,bar,shop,Cafe,restaurant,party,etc.