Running outside is great for your body. It can help you lose weight and keep it off. If you plan to run at night, you need to invest in a decent safety light to stay visible to others. The Million Mile Light can help. It is a lightweight, motion powered light that does not need a battery. It weighs 36g and is visible from over 200 meters. The device has a weather proof design.
The Million Mile Light is pretty easy to use. Just clip it on and go. It relies on your motion to keep running. Like what you see? You may want to support this project on Kickstarter.