Material and Size This headlight for welding helmet is made of durable PP material with a compact size of 8cm, making it lightweight and easy to carry. Dual Light Source The headlight for welding mask features a dual light source design, providing versatile lighting options for different situations. Dual Charging Modes The headlight features a solar-powered automatic dimming function and supports USB charging, offering two convenient ways to keep the light powered and ready for use. Wide Coverage With its wide range, this headlight ensures ample illumination in any environment, enhancing visibility and safety. Versatile Application Ideal for argon welding tasks, this face mask headlight provides sufficient illumination during welding, improving visibility and safety during operation. Specifications: Material: PP Size Chart: Option 1: 8cm x 3cm x 4.3cm / 3.15in x 1.18in x 1.69in Option 2: 8cm / 3.15in Package Includes: Option 1: 1 x Headlight 1 x USB Cable 1 x Mount Bracket Option 2: 1 x Headlight for Welding Mask 1 x USB Cable Note: Please allow slight variations due to manual measurement and differences in display settings.