Knog PWR Lighthead - 1000 Lumens Front PWR SeriesKnog PWR Lighthead 1000 Lumens The PWR Lighthead 1100L is part of Knogs PWR Modular System, and when combined with a small, medium or large PWR Bank, can make for a powerful front bike light, head torch or flashlight. If you're looking at adding to your lighting solutions, this can be a cost effective way of doing just that. The PWR Lighthead 1000L has an elliptical style beam with a horizontal and vertical spread for broader and brighter road or