DYNAMO is an EPA registered, residual insecticide effective against hornets, wasps, yellow jackets and bees on contact. It continues killing as insects return to the nest. It has a dielectric strength of 47,300 volts and a power jet spray which reaches up to 20 feet, providing a safer method of application than conventional means. It acts as a barrier preventing insects from entering the home. It contains Permethrin and Tetramethrin synergised with Piperonyl Butoxide. Kills yellow jackets, hornets, wasps and bees. For use in and around schools, hospitals, industrial plants, tank farms, warehouses, attics, basements and patios. Fast acting—kills on contact Use indoors and outdoors Kills with residual action Jet spray will reach nests up to 20 feet above ground Dielectric breakdown voltage of 47,300 volts 12 - 20 oz cans/case, 12 oz net weight.