MAESTRO GEAR 10 LED Clip On Music Stand Light/Orchestra Lamp/Piano Light -10 SUPER BRIGHT LED LIGHTS- with 2 Levels of Brightness Each Side of Light is Independently Controlled with Easy On/Off Switches. Wide Even Coverage with No Hot Spots, Illuminates Both Pages with No Flicker Lighting. -STURDY, SECURE PADDED CLIP- Clips on Almost Anything. Great for Music Stands, Pianos, Orchestra Pits, Reading and Much More. Can Be Used as A Freestanding Light Easily Adjustable for Many of Your Lighting Needs. -100,000+ HOURS OF USE- With the 10 Quality LEDs This Light Will Last for Years of Reliable Service. Batteries Will Last Up to 20 Hours in This Energy Efficient Light. Includes 3 AA Batteries and A/C Adapter with 10 Cord. -NO BATTERIES REQUIRED- Light Will Work with A/C Adapter Even When Batteries are Not Installed. -FULLY GUARANTEED- Each and Every Light is Completely Backed by Our Maestro Gears 100% Happy Customer Pledge, You Will be Happy or We Will Make it Right. Guaranteed.