Magnifying Lamp 3X Primary 10X Secondary Dimmable LED USB Port Foldable Gooseneck Widely Used Magnifier with Light Item Type: Magnifying LampMaterial: ABS, Acrylic, Metal, SiliconeMagnification: 3X for Primary Magnifier, 10X for Secondary MagnifierNumber of LED Lights: 21PcsBrightness: 2 Levels DimmableUses: Eyebrow Eye Lip, Tattoo, Eyelash Grafting, Manicure, Reading, Maintenance, Antiques, Jewelry Collection Identification, EtcProduct Size: Base Approx 183 x 133mm / 7.20 x 5.24in. Gooseneck Length Approx 310mm / 12.20in. Lamp Holder Outer Diameter Approx 142mm / 5.59in. Primary Magnifier Diameter Approx 110mm / 4.33in. Secondary Magnifier Diameter Approx 25mm / 0.98. USB Cable Length Approx.175cm / 68.90in ( Manual Measurement, Slight Error May Exist )