Feature: 1. Large size, both arms are 33cm 2. Dimmable, the brightness of the light can be adjusted in ten levels 3. Three color temperatures, you can switch the color temperature to wh it e/w hi te‑yellow/yellow by switching 4. 8 times magnification effect 5. Made of all metal, strong structure Specification: Product Name: Curved Arm Magnifier Lam p Voltage: DC5V Power: 12W Color temperature: whi te light, yellow whi te light, yellow light Switch function: switch-color temperature switch-brightness increase-brightness decrease Material: Aluminum + Plastic + Gla ss Maximum clamping distance: 6cm Lam p hea d diameter: 16cm Magnifier diameter: 10cm Length of crank arm 1: 33cm Length of curved arm 2: 33cm Package List: Crank Arm Magnifier Lam p*1 Fixture*1