This listing is for an old vintage red metal belt or head lamp light. I’m not exactly sure but it’s pretty cool. The red measures 3″x3″. It runs on batteries and I have no idea if it works. It has a convex glass cover over the bulb and a metal buckle. The metal maker tag says Nippon Registry Made In Japan. The battery terminals are loose, it may have been made removable not sure. See pictures for more detail, there is rust due to the age.