【High-Function LED Light】 This clip light is equipped with an LED light, and the brightness is adjustable. It provides the optimal brightness for work or reading. 【Convenient Clip Design】 With its clip-type design, it can be easily attached to desks and tables. It can be used in narrow spaces, allowing for effective use of space. 【Detailed Specifications】 The lens diameter is 100mm, the arm length is 150mm, and the maximum clip opening width is 10mm. This allows it to be used for various purposes. - Brand: Sanwa Supply - Model Number: 400-LP101 - LED Light: Yes - Clip Type: Yes - Instruction Manual: Yes - Lens Diameter: 100mm - Arm Length: 150mm - Maximum Clip Opening Width: 10mm Please prepare 3 AAA batteries yourself. I purchased this for detailed work, but I no longer use it, so I am selling it. Thank you for looking.