Bonide MoleMax Sonic Stake is a solar powered mole repellent stake for use in your lawn and garden. Unique scientifically developed Chatter Sound Technology mimics the predatory warning sounds of moles which naturally drives them away from any area you place it. Repels pests both day and night. Package includes one solar powered stake that can be used outdoors to repel ground dwelling pests including moles gophers squirrels and chipmunks. This product is people and pet safe when used as directed. One spike protects up to 7 500 sq ft. For best results please see full use instructions on product label.