Lotus Light PRO6 Music Stand Light - Lithium Battery, Bag & Adaptor Uses a Rechargeable Lithium Polymer Battery (Built-In) to give 14hr Runtime on the Low setting | 8hr Runtiime on Med | 4.5hr Runtiime on High. The 3 battery level indicator lights blink when you turn the light on. 6 High Quality CREE LEDS in a 6.5in Shade | 10in Flexible Arm Detachable Clip allows for compact stowing and other mounting options 650 LUX (at center bottom of page). Warm & evenly diffused light flood up to 3 pages. Includes neoprene travel bag and USB AC adaptor (9ft cord)