Made of ABS. It features three lighting modes: white light, red light, and off, activated by briefly pressing a touch-sensitive button on the base of the lamp. The button also dims or brightens the lighting if held down continuously or for a long time. It is powered by three 1.5V AAA batteries (not included) or a USB Type-C cable with a 5V DC 1A input (included). Dimensions: 9.2 x 9.2 x 11.2 cm.