Features: Material: This book light is made of professional optical designed filter lens, 3 color modes & 5%-100% brightness, which can effectively reduce eye dryness and strain. Dimmable: The desk light has 3 lighting colors,warm & Cool and Mixed light(3000K to 6000K), which can adjust the brightness according to needs. 360 Adjustable: The clip on light with 360rotated goose neck, could be adjusted to any position, give you plenty of light wherever you are. Application: This desk lamp is widely applicable which is suitable book reading, working and students studying. Portable: This light is compact in size and lightweight so that can be clipped on the desktop easily. Specification: Material: Plastic Color: White, black Power supply: Build in 600mah battery Power: 1.4W Color temperature: 1600-6000K Size: Approx. 88x40x245mm/3.46x1.57x9.64inch Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. 1 * Desk Lamp