Aroma AL-1 Clip-on Rechargeable Music Stand Lamp for Piano LED Stage Light with USB Charge This stand lamp is suitable for all kinds of music sheet atand in the market, and also for piano light and stage lighting. Foldable and compact design makes it more portable. When unfolded, this unit can provide a broader range of lighting. LED bulb produces super bright light. Energy saving and long service life. Automatic light off when the stand lamp is completely folded. Two brightness option: 100% brightness - day light mode, 20% brightness - night light mode. 1200 mA rechargeable battery inside for continuous use of 6 hours after fully recharged. The green indicator will be lit when recharging. The indicator will be off when recharging finished.