Features: Flexible Goose Neck: 360 rotatable goose neck tube can be adjusted to any angle to meet different lighting need. Stable Clamp Design: With bottom clamp, you can clamp the lamp stably on the place you want. USB Powers-Supply: 5V USB low voltage powers-supply is safer, plug and play. Long Service Life: Adopts fine quality aluminum alloy material, sturdy enough for long-term use. Wide Application: Used for nail glue curing, ultraviolet resin curing, authenticate counterfeit money/invoice, identify the fluorescent agent, etc. Specifications: Material: Aviation Aluminum Alloy Color: Silver, Black (Optional) Light Source: High Powers LEDs Light Beads Rated Powers: 3W Input Voltage: D C3.5-5V Wavelength: 395nm Cable Length: 1.8m / 70.87in Package Size: 130 * 75 * 70mm / 5.12 * 2.95 * 2.75in Package Weight: 158g / 5.57ounces Package List: 1 * Nail Lamp