Rid the yard of pesky burrowing creatures with these convenient ultrasonic spiral mole spikes. These spikes are easy to screw into the ground and use ultrasonic pulses that simulate seismic waves to deter moles, gophers, snakes, and voles. Plus, they provide a chemical-free form of pest control that is safe for around pets and kids. It features 3 working modes and changes automatically every 24 hours. 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 solar-powered garden pest control spikes feature a solar panel that converts sunlight into electricity and is stored in the built-in battery. Made from durable Abs plastic with an IP65 waterproof rating, these spikes are built to last and can be reused over and over again.