Shake well before use. TO KILL FLYING INSECTS: one short spray in the direction of flying insects is adequate for effective knockdown and kill. FOR COMPLETE TREATMENT OF AVERAGE SIZED ROOM: close all doors and windows, making sure all people and animals are out of the room, then spray in the air for 4-5 seconds. The product begins to act immediately on contact with insects. Ventilate room thoroughly before re-entry. TO KILL CRAWLING INSECTS: Spray directly on the insects.