The Original Mighty Bright HammerHead Clip On Music Stand Light, 6 Bright White LEDs, Flexible, Durable, 2 Brightness Settings, Includes Gig Bag, Battery Life of 15 Hours or Powered by AC Adapter LED lights that never need replacing Great for low light situations Durable construction Six energy-efficient LEDs cast 28 lumens of bright white light Durable LEDs last 100,000 hours - no replacement necessary Two brightness settings Precisely engineered optical grade lens spreads light evenly Sturdy clip grips almost anything