Material and Size: This headlight for welding helmet is made of durable PP material with a compact size of 8 cm, 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 supports solar-powered automatic dimming and USB charging, offering two convenient ways to keep the light powered and ready for use. Wide Coverage: With its wide illumination range, this headlight ensures ample lighting in various environments, 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: 8 cm x 3 cm x 4.3 cm / 3.15 in x 1.18 in x 1.69 in Option 2: 8 cm / 3.15 in 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 monitors.