This clamp light with a stable and flexible tube which can be twisted to any positions. 3 distinctive light modes meets any different lighting requirements. Each light brightness is designed with 10 levels adjustable. Comes with compact and shape design, it not only function as a desk reading lamp, but also a modern decoration for you. Features: 【3 Light Colors & 10 Levels Dimmable】: 3 distinctive light modes. White light for working, warm light for reading, warm white light for relaxing, meeting your diverse needs. 【Memory Function & 1 Min Auto Off Timer】: Comes with memory function design records your preferable lighting mode and 1 min auto shut down design provides you better use enjoyment. 【USB Powered & 360° Flexible Tube Design】: USB port design, it can be operated by computer or laptop conveniently and flexible tube provides you 360 ° omnidirectional illumination. 【Eye-protective & Superb Material】:Superb LEDs, nice lumen, flicker-free, anti-glare light without strobes and radiation for eye-protective and made of fine, reliable and endurable metal & ABS material, resting assure to use and enjoy, 【4.5 Centimeters Clamp Design & EVA Mat】: Max clamp clip width up to 4.5 centimeters, it can be used perfectly with stands, bookshelf, office tables, computer desks, headboards, etc. Equipped with EVA anti-slip rubber mat design for stable use and desk-protective without scratch. 【Wide Applications】: Nice for stands, bookshelf, office tables, computer desks, headboards, home and office daily use. Specifications: Input voltage: D C 5 V 1 A Consumption: 5 W Light colors: White color, warm white color, warm color Brightness level: 10 levels Light source: LEDs LEDs quantity: 24 pcs Color: Black/ White(Optional) Material: Metal+ABS Tube length: 400mm Light length: 50mm USB cable length: 1.5 meters Clamp clip width: (Max.)45mm Item weight:175g/ 6.2ounces Package size: 130 * 85 * 85mm / 5.1 * 3.3 * 3.3inches(Length * Width * Height) Package weight: 227g/ 8ounces Note: This item is non-waterproof, please use it carefully. Packaging list: 1 * clamp light with USB cable