The 'Moon Chess' design shows a famous NASA photo of the moon printed onto the outside of the shade, but turning it on reveals a cat and mouse playing chess by moonlight. There are three lighting mode options - continuous, pulsing glow or a gentle tea light flicker. These can be scrolled through by pressing the touch-sensitive switch on the front of the lamp. The lamp can be mains operated using the USB cable supplied with the lamp, or there is also a battery option to use 3 x 'AA' batteries via the battery compartment in the base (not supplied). Laminated card shade 10 x 10 x 30cm USB cable supplied