about this project An IPX4 rating means it's protected from all angles and splash-proof. The elastic headband weighs only 30 grams, no pinching or wiggling, and easily adjusts to any size. Package includes: 2*Headlamps (without batteries) Use the strongest 160 to light your way and illuminate the darkness. The adjustable premium polyester braided headband provides optimum comfort on your head. You can also adjust the lamp head up and down to a suitable angle. WATERPROOF DURABILITY: Withstands heavy rain, cold, heat, drops on the ground. It is rated IPX4, which means it can be protected from any angle or sprayed with water. NOTE: We do not include batteries. Three-level dimming mode: strong light-weak light-flash, you can freely adjust the mode according to your choice. MULTI-FUNCTIONAL USE - This perfect front light is really a great gift for Christmas Stocking, Birthday, Thanksgiving, Valentine's Day, Father's Day. Big Lantern LED LED Super Bright Ideal for Walking Ideal for Walking Night Reading Hiking Cycling Night Fishing Hunting Jogging Camping Camping Hiking Crawling Fishing Headlights and other long night activities.