and adorable reading light for interior vehicle lighting: camper trailer, cargo, coach, motorhome, bedroom, bedside, headboard, table, wall and overhead lighting modes. It provides amazing cool white light for reading and special blue light for night. The fancy blue light will be a great indicator at the button switch once for blue light, click it again and hold it for a while for cool can direct the light output to different position just with the swivel arm. So it is convenient for reading, internet time or other bedside is energy saving and highly efficient. The light has a long service life up to 30,000 and simple installation. (Mounting screws are not included). Wiring: black wire for positive and white wire for negative/ground.