Directions:Shake can for 1-2 seconds. Slide trigger right to activate. Aim spray nozzle at the animal's nose. Depress trigger to fire. Spray stream has a maximum reach of 10 feet. Each can will spray continuously for up to 12 seconds. To lock trigger, lift red tab and slide left until locked.
SprayShield is highly effective in stopping low to medium level aggression. However a very small percentage of dogs are so strongly motivated that no know spray deterrent is effective - physical restraint is the only way to stop an attack by these animals.