Jun 26, 2017 #1 J jbwiden Newly Enlightened Joined Aug 6, 2007 Messages 8 I just picked up a BT40s from revtronic and I'm wondering what a little rectangular clear window is on the front of the light. Edit: spoke with revtronic they say it's simply a part of the mold Last edited: Jun 28, 2017
I just picked up a BT40s from revtronic and I'm wondering what a little rectangular clear window is on the front of the light. Edit: spoke with revtronic they say it's simply a part of the mold