Reading or studying into the night? With the Imu reading light panel you won’t need to worry about waking up your partner or room-mate. Simply turn on the light switch and place the translucent portion of the panel over the page you want to read. The LED lamp keeps the light on the page where you need it. At 17.8 cm (about 7 inches) x 17.5 cm, the panel fits over most pagesThin 1.5 cm design lets you close the book, ready to pick up where you left off.Runs on 3x AAA batteries.