This led emergency flares has uperior visibility: Super bright LED array can be seen up to 1 mile at night;It can be used for traffic control, as a warning light, as a rescue beacon, and for any other emergencies. keep in car just in case need to warn other drivers that you are present next to the road.
With a magnetic backing, it can be mounted or placed nearly anywhere,car or marine boat.
They can also be used for recreational activities and non-emergency use too,ie,Use as a neat floating pool light show, walkway or path marker, keep track of the kids at night, or marking your campsite and so on.
If you are also looking for rechargeable version,pls have a look at Rechargeable led road flares