It's also one of the lightest Headlights.Barely there weight lends it well to activities like night running or climbing, it is the perfect outdoor gear for runners, outdoor adventurers, household, adults and kids. Can be immersed in water for a short time, try not to half an hour. The Headlights are the perfect addition to your running, camping, fishing, hiking, backpacking, hunting, or cycling gear. Color: black Material: ABS Package Contents: 1 x Headlight 1 x USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. It's also one of the lightest Headlights.Barely there weight lends it well to activities like night running or climbing, it is the perfect outdoor gear for runners, outdoor adventurers, household, adults and kids. Can be immersed in water for a short time, try not to exceed half an hour. The Headlights are the perfect addition to your running, camping, fishing, hiking, backpacking, hunting, or cycling gear. Color: black Material: ABS