Features: Directional Lighting. for Focus on Lighting up the Desktop:Straight LED light source for a wide lit area without blind spots. 68 pcs bules, the lamp body is designed with a tilt angle to illuminate the keyboard and documents in front of the sn. Three Color Temperatures:Three modes of White Light, Warm Light and Mixed Light with a wide range of color temperature to meet the needs of different scenarios. White light (5500K): Clear lighting for efficiency Mixed light (4000K): neutral color temperature for reading Warm light (2800K): Soft light for watching a movie. Power Supply Via USB Interface. Lit when Connecting to a Computer :The Type-c charging port on the back of the lamp can be connected to a computer, a charging for head or a power bank through the original charging cable. No Blue Light Hazard, No Stroboflash:84 built-in high-quality lamp beads to reduce blue light hazard, no visible stroboflash to better protect eyes. good light protects your eyes for higher efficiency when staying up late. Coil spring clip:Ease to fix on the edge ot a sn. Specifications: Applicable sn thickness: 6mm-28mm Material: aluminum + PC + ABS Light source: Asymmetrical light source (close to everyday light) Size: approx. 450x 92mm /17.71x3.62in Power: 5W (max) Input Voltage: 5V Bule quantity: 68 pcs Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PC x Hanging Light Bar