Compact music stand light with 3 warm white energy efficient (3000K) LEDs. LED lifetime up to 100,000 hours. Dimmer range up to 55 lumens. Precisely engineered optical grade lenses spread light evenly across pages. Flexible silicone goose neck with handy clip. Includes 3 (AAA) batteries for up to 16 hours running time. Use of micro USB cord possible (not included).