Minimum diameter: 0.59inch, maximum diameter: 0.79inch. Experience the ultimate convenience of hands-free operation with the handheld U V Light. | 360° Adjustable Magnetic Rotation: Freely moves in 360 degrees, ensuring complete and even curing without any missed spots. With three rotating parts (two at 360 degrees and one at 180 degrees), you can adjust the light angle effortlessly. Achieve flawless results with unlimited flexibility and precise coverage | Strong Magnetic Head & Base: The device is equipped with a powerful magnetic head and base, allowing for flexible and easy rotation during operation. The magnetic suction base enables convenient attachment of a magnet nail tray, providing additional functionality. The strong magnetic force ensures secure and stable positioning during use | Detachable & Portable For Travel: This UV Nail Lamp Stand is designed to be easily detached and portable, making it perfect for travel or outgoing manicures. It can be disassembled and packed into a compact size, allowing you to bring it with you wherever you go | Handsfree Curing With Handheld U V Light: The perfect companion for U V Light, this device allows for effortless and convenient curing of gel nails without the need to hold the light source. Simply place your hands under the U V Light and let it work its magic, ensuring an even and thorough cure for your nails