Color Changing LED Folding Book Lamp - DELUXE Edition Iconic color-changing lamp that blends modern design with versatile function to bring light into your life. Opening the book reveals a radiance of light that changes color every time you open/close the book (white, red, green, blue) When you're done soaking up the light (or showing off to friends), close the book and watch the light disappear. Small enough to bring with you anywhere. Lightweight (1.5 lbs). Cordless functionality: Built-in rechargeable Li-ion battery with an included USB charger