Compact clip-on LED (light emitting diode) music stand light With two fully adjustable goosenecks. LED light is bright and white, making the reading of music effortless. Each lighthead has two LED bulbs as well as its own switch, so you canuse one or both lightheads at the same time. Uses 3 AAA batteries (not included). Flexible arms allow light to be positioned as needed. Bulbs last approximately 100,000 hours. Can also be used free-standing. Includes ac adapter.