Features: -Premier aluminum material, excellent heat diffusion function. -Adjustable light color, which you can adjust it to yellow or white color. -The LED light is , without harm to eyes, no dizziness, no radiation. -The lamp holder can clip 6cm thickness of the object. -USB interface, comes with a US plug. -Suitable for most occasion, like work, studying etc. -LED strips light source, low energy consumption, longer , no need to replace the lamp in a short time. -You can clamp it on the desk, bookshelf, bed etc for convenient use, the flexible support arm can be rotated in 360° to meet your use demand in any angle. Specifications: Material: Aluminum Light Source: LED Light Power: 7W Voltage: 110-240V Lamp Diameter: approx. 9cm / 3.5inch Clip Height: approx. 11cm / 4.3inch Total Length: approx. 48cm / 18.9inch Color: As Pictures Show Package Weight: approx. 316g Item Type: Desk Lamp Package Included: 1 x Desk Lamp 1 x US Plug