1. Principle -- It repels moles, rats, rodents by emitting sonic waves,vibration waves.
2. Automation -- When connecting the two connectors, the repellent can work automatically to repel snake.
3. Solar Powered -- Solar panels can effectively charge the product to maintain a long time all day standby. You don't have to worry about the need for power outlet outside.
4. Wide Effective Range -- The effective area of the snake repellent is up to 650 square meters.
5. Human and Safe -- No chemicals or poison. This repellent is harmless to environment, human and pets.