【9 BRIGHTNESS LEVELS MEET MULTIPLE LIGHTING NEEDS】 There are 3 color temperatures, 3000K warm, 6500K white, & 4200 mixed. 3 brightness levels for each color - Low/Medium/High. The light pattern was very even. CUSTOMIZE your light pattern by choosing different colors and different brightness. Most musicians prefer full power with both 3000K and 6500K LEDs. Stable light source without flicker or glare, protects your vision and reduces eye fatigue. 【PROFESSIONAL Wide Beam 19 LED with Anti-glare Shield】19 beads of LED mean wider lighting area, more even lighting effect than the 10 or 14 LEDs. Illuminates up to four A4 pages. Features Anti-glare Shield Design - A discreet rear fin directs strong light away from the audience and back to sheet music. Let our music stand light quietly & finely illuminate your sheet music and the audience focuses on enjoying your music without being disturbed by strong light. Perfect for rehearsals, concerts, art 【STOP WASTING MONEY ON BATTERIES - EVER】 FEATURES BUILT-IN RECHARGEABLE 1800MAH LI-ION BATTERY, enjoy your cordless reading for up to 60 HOURS without charging (at low brightness). No need to have an electrical outlet during performances. Easily charged from USB ports, wall chargers. Standard Micro-USB cable included. You can keep it plugged in all the time if needed. 4-segment blue charging indicators. Remaining battery life button. Save your money and more environmentally friendly. 【SUPER LIGHT WEIGHT 8.3oz, EASY TO USE】 Portable light weight, easy to travel with and maneuver wherever you want. The padded sturdy and large clip provides stable attachment to music stands, bed headboards, pianos, desks and craft tables. Soft padding to prevent damage to your valuable instrument surface. INFINITELY 16.5in FLEXIBLE NECK that allows you to easily make precise adjustments. The clip opens 2.36in wide. Versatile - This music stand light base can stand on its own and functions as a desk lamp.