The Flare Alert LED Emergency Beacons with carry case is a great kit for First Responders and Emergency Personnel. These battery - operated LED beacons are perfect for illuminating an emergency scene. Kit comes complete with 4 Flare Alert Beacons, 4 Cone Adapters, 4 Weighted Bases, 16 AA Batteries, all in a large storage bag. The beacons are durable, super bright, compact and environmentally friendly. They can be used to create a "safety zone" to keep you and the public safe.