Specification: Brand new and high quality Material: plastic Color: black, Light Color: white LED Number: 4 size: Arm length 23cm Feature: Compact, lightweight and adjustable Dual flexible arms Extra strong clip grips almost anything, or use free standing as a task light Can be used free standing or clipped on to pianos, music stands, orchestra pits,books, etc Powered by 3 AAA batteries(not included) or USB charging (2 ways to offer power) Switch button is on the top of arm Choose the intensity of your two LEDs by pushing the button once or twice, giving you exactly the amount of light coverage you need Package included: 1 x led clip on book light 1 x usb cable Note: due to the hand measurement, there have size error about 1-2cm. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. High-quality materials: Made of sturdy and durable ABS material, with good heat resistance and flame resistance, scratch resistance, and durability. Eye protection is easy to use: high-quality LED reading lights, with soft and bright lighting, improve image clarity and reduce eye fatigue. Easy to use: One or two LEDs can be turned on or off with a single tap to turn on the switch of each lamp head. Performance: High-quality double LED music stand light, fully adjustable light with double gooseneck, beam pointing in any direction, coil for compact storage. Wide range of uses: The multifunctional clip can be placed on almost anything, very suitable for music stands, pianos, orchestras, reading, etc., and can be used as an independent lamp.