T.E............What is FlareAlert? The FlareAlert is a highly visible electronic safety beacon that utilizes high output LEDs to make its user visible. How does it work? The FlareAlert is battery powered, it only requires 2 or 4 (depending on the model) AA alkaline batteries to operate. Simply turn the unit “on” and set it down. Depending on which model you are using the FlareAlert can operate for up to 30 hours on one (1) set of batteries. Who uses it? The FlareAlert is used by hundreds of police and fire departments nation and worldwide. It is also used by the military, truckers, construction workers, mining facilities, service trucks, rental houses, farmers, motorcyclists, bicyclists, boaters, and all types of motorists.FlareAlert ................................Beacon Pro Kit Includes: 8 Red FlareAlerts (call for other colors) 8 Universal cone adaptors 8 Universal weighted bases 32 AA alkaline batteries Durable polyester bag