POWERFUL DEFENSE DEVICE: Insert the device into the soil,effectively dispels ant snake mouse gophers and other pests by launching powerful ultrasonics. Equipped with an infrared motion sensor, the ultrasonic will be activated as soon as pest enter the protected range.EFFICIENT SOLAR POWERED:Powered by a solar cell, no need for extra batteries. Before using this device you have to place the device for several days in direct sunlight for the accumulator to fully load.WATERPROFF AND DURABLE: Solid plastic structure can withstand rainwater,however, it is not recommended to keep the equipment in a humid environment for long periods of timeto prevent damage to equipment.EASY To USE - Insert the device into the ground. Make sure the solar panel plate is at least 2 inches above the ground. There's no need for any cable connections. Turn on the ON switch and enjoy the pest free environment you deserve.TIPS:When the ultrasonic wave is activated, the pest repellers produces slight sound and vibration. It will penetrate underground soil and do not cause physical harm to the pests. It will only make them feel uncomfortable and escape. The equipment is placed in a reasonable position, 5 meters away from the human body.