- [Working method]: The solar probe deflector vibrates and sends out low-frequency sound pulses of 400-1000 Hz in all directions every 30 seconds, which does not physically damage these pests. They just feel bad and chase them away.No death, no poison, no traps.Solar Mole Repeller is an eco-friendly means, ideal for garden, farm, greenhouse.^2 .[SOLAR AND WATERPROOF OPERATION]: With a solar panel on the top of the device, solar energy can save energy and protect the environment.It can also be charged by the USB cable. outdoor repeller is made of high quality ABS plastic with a weather and UV resistant construction that protects against splashing water from all directions and withstands rain, snow or sun, perfect for the garden , the yard, the farm… ^ 3. [Eco-friendly materials Environment]: Made of high quality ABS and aluminum tubes, IP65 waterproof and corrosion resistant and won’t strain the floor even after long time working. The green outer shell can be easily hidden in plants