Nite Ize GoLit Visibility Light N05417. Disco-Tech LED module features 4 selectable colors in glow or flash: red green blue white. Color-changing Disc-O mode and memory feature. Adjustable rubber strap fits up to 2.25" diameter. Easy push-button operation. Durable weather-resistant body. Impact resistant (drop proof up to 1m). Recharges in approximately 2 hours with micro USB cable (not included). Run time: 5 hours. Indicator light turns from red to green when fully charged. Hang packaged. Package Contents: Nite Ize GoLit Visibility Light