SKMEI LED Headlamp&mdash;Brightest and Lightest (2.0 Oz) HeadlightAnti-shock& Water with Red LED Light for Running, Camping, Reading, Fishing, Hunting, Walking, Jogging Suitable for home, camping and auto repairs, outdoor nighttime activities ,non-slip strap won't fall or bob even when jogging or climbing. High quality: water tightness level of IPX6, anti-shock design and high-quality headband ensure your security and feel comfortable. Adjustable strap fits adults and children. Lightweight and comfortable headband, not a burden to your head. Weight of only 1.52 oz. (Not included the battery). 4 modes: high beam, low beam, red beam & red flashing. Easily change between them with a button and lamp swivels down 60 degrees. Sometimes you need enough hands to work, such as repairing, climbing and fishing in the dark, but the headlamp makes your hands free.