Kilo-Lumen bike headlight
I started biking to work this summer and needed a good headlight and taillight. I didn't want to spend a lot, but I wanted extreme visibility. For about $150 I ended up with a headlight that puts out somewhere around 1200 lumens, and a really effective tail light. The power source is an 18 volt R...By: kc6qhp Source: Instructables: exploring
