Lampcraft ConcertLight Longlife Lamp A long lasting, full spectrum light to suit the musician's needs Finally, a rechargeable, portable light that doesn't get in the way! The Longlife battery provides 6-7 hours of light on a charge The versatile lamp clip makes it possible to fit on almost any music stand  even folding ones! Its ample, even illumination shines a daylight glow that is kind to the eyes The ConcertLight includes rechargeable battery, built-in charger and AC adapter Finally, a rechargeable, portable light that doesn't get in the way! The Longlife battery provides 6-7 hours of light on a charge