About this article 5 Interchangeable Lenses: Contains 5 lenses (1X, 1.5X, 2X, 2.5X, 3.5X) to meet your different magnification needs. BRIGHT LED LIGHT: With LED light, it helps you see things accurately and clearly even in dark environments. The headlight can be adjusted to the appropriate angle. Battery compartment holds 3 LR1130 coin cell batteries (not included). 2 ways to wear: Head-mounted design with adjustable elastic headband for easy use. The headband can be replaced for a more secure fit and extra comfort for long-term use. Versatility: Great product for eyelash extensions or tattoos, especially for checking small parts. Ideal for hands-free close-up work such as watch/circuit repair, crafts, jewelry, eyelash extensions, reading, soldering, painting, and more. SATISFACTION GUARANTEE: Our lens section and accessory section adopt an inner/outer mesh structure to avoid falling when watching and reading. Battery not included Note: The data are all manual measurements, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object receivedDelivery quantity: (according to the main picture)"