Rid your yard of a variety of animals with these convenient spiral repellent spikes. Made from durable ABS plastic with an IP65 waterproof rating, these solar rodent repeller spikes are built to last. The spiral design allows them to be easily and securely screwed into the ground. They produce pulses that simulate seismic waves to scare off a variety of animals including moles, gophers, snakes, groundhogs, and voles. Each stake features a built-in solar panel that converts sunlight into electricity, and it is stored in the built-in solar panel. It features 3 unique working modes and automatically changes modes every hour. Alert mode provides continuous vibration every 5 seconds followed by a 115-second pause. Rapid mode provides short vibration 5 times followed by a 115-second pause. Symphony mode features 2 short vibrations followed by a 3-second long vibration and then a 115-second pause. These sturdy spikes are made from durable ABS plastic with an IP65 waterproof rating.