Large Adjustable Swing Arm Drafting Office Studio Clamp Table Desk Lamps Lights. Features: - Tall desk lamp for more light area, 30" metal swing arm. - Space saving: 5cm wide C-clamp,fast to mounted any flat surface,leave more desk area for your own task. - Customizable direction: springs balanced metal arm, rotatable joints,flexible to get any light angle. - Ideal for any studios, home or office used. - Stylish Architect Design with Long Swing Arm: The classic style loved by every customer, you get not only a desk lamp, but also could be as decorations. Most convenient feature is the long swing arm, made of sturdy metal with 4 springs, get large light area and adjusts anywhere it needs to be. - On/Off Switch: the red push button located on the base of the lamp shade for quick and easy use. - Stable Clamp: made of hard ABS, attached tightly on desktop, avoid rusting and abrasion(clip up to 2 thickness). NOTE: BULB WILL NOT PACKED IN PACKAGE. Fits for E27 Screw Base Bulb, recommend 8W LED BULB, it can take 40W LED BULB. Specification: Material:Metal, Plastic Clamp. Color :Black. Weight : 590g. Voltage: AC 85-256. Plug: EU / US Plug. Light Socket:E27/E26 (Without Light Bulb). Power Cord Length: 5ft. Package Includes: 1 x Desk Lamp