K&M 12248 Concert Light, Music Stand Light, 6 LEDs, 2 Brightness levels switchable, Gooseneck, Anti-glare, Colour: Black, Battery operation 3x Micro (AAA) 1.5 V or mains operation with power supply, Clamping range: up to 25 mm, Lampshade length: 150 mm, Weight: 0.35 kg, Includes 3x AAA battery, power supply and carrying case