THIS IS A OLDER FENDER LIGHT USED ON SCHWINN BIKES AND OTHER BRANDS OF BIKES. IT IS EASY TO MOUNT ON MOST BIKE FENDERS, IT HAS 2 BOLT STUDS, "BOLTS TO MOST BIKES". IT'S IN NEVER USED CONDITION, STILL IN ORIGINAL BAG, MADE IN JAPAN. YOU CAN SEE THE RED ON OFF SWITCH, TAKES 2 BATTERIES, IT'S STEEL MADE WITH NICE CHROME. IT"S 8" INCHES OR SO LONG, ABOUT 2" INCHES WIDE AND ABOUT 1 - 1/2" INCHES BOLT HOLE TO HOLE. THIS IS OLDER VINTAGE IN NOS CONDITION. WHAT A GREAT FIND.