[Unbeatable Results] These mole deterrent stakes are based on the principle of an ideal deterrent frequency for moles, voles, etc. It emits sound pulses and vibrations every 20-40 seconds, which are very excitable to these underground rodents to keep them away from the covered area.^ [Easy to Install] This gopher repellent animal stopper is easy to use. Just stick it into the ground, leaving the solar mole repellent plate at least 2 inches off the ground. Then turn on the power switch and watch these mole repellent stakes do their thing. Also suitable as an outdoor snake repellent to protect pets.^[Solar Powered Ultrasonic] This outdoor vole repellent emits ultrasonic pulses and vibrations at 400-1000Hz every 20-40 seconds. This upgraded mole hunter spike includes solar panels for longer working hours. Capturing solar energy during the day enables functionality at night. ^[High quality product] Waterproof design allows use on rainy days. This outdoor mole remover and ultrasonic rodent