environmentally friendly solar powered emergency warning light

barricade warning light is an environmentally friendly solar powered emergency warning light . features Internal solar panels which trickle charge D cell Alkaline batteries to give a superior long lasting more reliable power source. Solar panels are internal providing less chance for damage and theft. the upper case design eliminates the need for a rubber neck ring, this design will keep water and dust out. solar warning light photo sensor turns light on automatically when it gets dark,steady burn and flashing light modes,available with yellow lens,standard 1/2-inch mounting bolt.