Battery-operated spray applicator which requires no pumping; simply push the trigger button on the lance and get continuous spray. Unique dual action formulation, kills weeds to the root and prevents new weeds growing for up to 3 months. Ideal for paths, drives and patios. Creates an invisible barrier that prevents new weeds for up to 3 months. Children and pets need not be excluded from treated areas (once dry). Use with either watering can or a garden sprayer. Clean the equipment thoroughly after use.