REI currently has personal safety light on sale for $4.73. Org. $14.99.
Some of the features include superior brightness in an lightweight, compact, wearable package, the Delta Cycle Bkin personal safety light works well for cycling, running, hiking or taking your children or dog on a walk.
-Highly effective bright light offers 120° visibility during both day and night
-2 lighting modes (steady and flashing) and 2 power modes (full and half) provide versatility for a variety of activities
-Pulsing light runs at 100% power for up to 10 hrs. on a single charge, or at 50% power for up to 20 hrs. on a single charge
-Built-in USB connector makes recharging simple; rotate the dial to access the USB; charges in just under an hour
-Wearable stainless-steel spring clip makes it easy to put on a shirt, helmet or any other flat attachment; also mounts on any round bar up to 1.5 in. in diameter