The K&M 12272 4-LED T-Model FlexLight Music Stand Light is a compact music stand light with a warm white light. Lightweight so that it fits on lighter-weight portable stands. 2 brightness settings and an adjustable gooseneck. Extra-wide clip attaches easily to music desks, wire music stands and table tops. It can also be used as a standing light. Powered by 3 (1.5 V AAA) batteries (included) with a typical battery life of 10 hours or an AC adapter (not included).