Description: 【Versatile Use】Ideal for night fishing, hiking, mountain climbing, car repair, and other nighttime activities, providing reliable illumination wherever you need it 【Adjustable Brightness】Features 5 brightness levels to suit different environments and tasks, ensuring optimal visibility in any situation 【Polarized Lens Protection】Includes a replaceable polarized lens that blocks harmful lights, filters glare from surfaces like roads and water for outdoor adventures. 【Day Night Functionality】Easily switch between night headlamp protection and daytime sun blocking polarization by installing the lens on the main goggles—1 device for multiple scenarios 【Portable & Rechargeable】Crafted from quality ABS material with a compact 17x17 cm design; comes with a USB charging cable for convenient power go Size Chart: 17cmx17cm/6.69inchx6.69inch Package Includes: 1 Headlight Glasses 1 Lens 1 USB cable Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.