specification: Item Type: Magnifying Lamp_x000D_Material: ABS, Acrylic, Metal, Silicone_x000D_Magnification: 3X for Primary Magnifier, 10X for Secondary Magnifier_x000D_Number of LED Lights: 21Pcs_x000D_Brightness: 2 Levels Dimmable_x000D_Uses: Eyebrow Eye Lip, Tattoo, Eyelash Grafting, Manicure, Reading, Maintenance, Antiques, Jewelry Collection Identification, Etc_x000D_Product 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 ) Features: 1Eyes Protection: This magnifying lamp adopts 21 LED beads with 2 levels dimmable, providing natural and soft light that is harmless to your eyes. 2USB Interface: This magnifier with light adopts USB interface that can be connected to power supply, power bank, charging plug. 310X Magnification: This LED magnifying lamp provides 3X primary magnifier and 10X secondary magnifier, meeting your different needs. 4Foldable Gooseneck: This magnifying light features foldable gooseneck that supports 360 degrees adjustment. 5Wide Application: This magnifying work light is widely used in makeup, reading, repairing, antiques, jewelry collection and identification, etc. PackageList: 1 x_x000D__x000D_Magnifying Lamp Holder 1 x Gooseneck 1 x Base 1 x USB Cable