![kilolumen](https://jimonlight.com/wp-content/uploads/2008/12/kilolumen.jpg)
Instructables user kc6qhp has posted AND WON FIRST PLACE FOR the instructable regarding his Kilo-Lumen bicycle headlamp. This thing is ridiculously bright! Check out the instructable! This thing is about 1200 lumens, and runs on an 18V Ryobi battery. Not for the timid!