Item Type: ShoesHeadlightMaterial: Aluminum Alloy, ABSBattery: CR2032 button battery x 4, battery capacity: 640mAh (160mAh x 4) (built in)Waterproof Grade: IPX5 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1SHOES HEADLIGHT: The lamp is designed for shoes to illuminate the road for your night travel, each lamp weighs only 22g, which is very light and can maintain stability when you walk or run. 2IPX5 WATERPROOF: The lights have a high waterproof grade and are designed to withstand the worst rainstorm, which can still work normally no matter it is snow or heavy rain. 33 LIGHT MODES: The headlight has 3 light modes: always on, flashing or slowly flashing. One button switch design is easy to operate, press the middle of the lamp to turn on or switch modes. 4HIGH BRIGHTNESS: The headlights have high brightness, which can increase visibility and safety when going out at night. Very suitable for hiking, cycling, running or walking at night, and also help walking dogs at night. 5LONG BATTERY LIFE: The shoes headlamps have built in CR2032 button batteries, which can last for 75 hours or more at the highest setting, and is super stable.