The attractive T-Model music stand light with 4 LEDs provides a pleasant warm white light with a color temperature of 3000 Kelvin. With 2 brightness settings and the adjustable gooseneck the T-Model provides comfort and versatility to accommodate all sorts of lighting needs. The extra-wide clip (up to 25 mm) attaches to music desks, table tops etc. It can also be used as a standing light. The T-Model is powered by 3 (1.5 V AAA) batteries (included) with a typical battery life of 10 hours or an AC adapter (not included). - the manufacturer