Amzonly Rechageable LED Safety lights kit is widely used as navigational light, signal light, or safety lights for boats, pontoon, kayak, yacht, motorboat, bikes, dog collars, running at night, etc. 4Pack Rechargeable LED Lights With one simple push of a button, you instantly illuminate four useful lighting modes [Steady, Slow Flash, Fast Flash and Strobe]. Pocket-friendly portable and lightweight design, 0.8oz/pc, easy to carry. Three colors: Red, Green, and White. Light visibility: approx. 0.6miles. LEDs Lifespan: approx. 10,000 Hours.