General description The 4 Pack Solar Ultrasonic Mole Repellent is designed to effectively keep moles, voles, gophers, snakes, and other rodents away from your garden. Utilizing ultrasonic waves, this device vibrates the ground to disturb these pests, encouraging them to find a more comfortable habitat elsewhere. It operates without emitting radiation and is powered by solar cells, eliminating the need for additional batteries. Technical specifications Materials: Aluminum and ABS plastic Acoustic frequency: 400 Hz Effective coverage: 650 m² Built-in battery: 1.2 V/800 mAh Rated power: 0.06 W Installation Easy installation: Plug in the connectors and gently press the head and chuck together Install the head unit 10 cm above the ground Ensure firm ground for better sound transmission Check soil conditions before installation, as frozen soil or stagnant water can affect performance Usage The repeller vibrates and beeps every 20 seconds during normal operation Place the repeller in a