Product Name:Manufacture for school bus stop arms 

Model: TZB-4

Product Feature

School bus stop arm products designed for school buses and other vehicles where stop arms might be required or used as optional equipment. This product is mounted on the outside (driver side) of the vehicle and is used to stop traffic when bus doors are opened and occupants are exiting to cross the road. It is activated in conjunction with the overhead warning lights on school buses 

Product Dimension