Calling all Ninjas! The LEGO Ninjago Legacy Gold Ninja LED USB Book Light features posable arms, legs and head, emits white LED light from his light angling feet. Batteries included. Press the button on the ninja's chest to turn on lights, the lights features an auto-off timer to save battery power which will turn off after 15 minutes. Book light can be used with the padded clip or plugged into your USB port then angled in various directions to light your area.