This has been on before but I think this is the cheapest it has been good item for runners especially at night
About this item
Pack of 2 Units
Multi-function: Safety light for running, walking or any other sports especially at dawn, dusk, night or rainy days; tail light for bike or bicycle; collar light for your pet, not only keep your dog/cat safe, but also make you identify them clearly from a long distance; emergency light for maximum attention.
User-friendly design: Slim, lightweight, compact, and super bright safety lights. Weighing in at 50g, measuring 6.5 x 3 cm, you won't even know you're wearing them, yet be seen from a safe distance.
Free bonuses: Includes 2x Velcro straps (for mounting the lights to dog collars, bikes and more) and a mini-screwdriver for a hassle-free battery replacement process.
Easy to use: Clip on to your belt, pockets, backpack, helmet, your dog's leach, bike, baby stroller, wheelchair or clothing easily. No tools needed to install it or remove it.