Buzzer+Ultrasonic: Animal repeller repels animal intruders by Buzzer+Ultrasonic for 2-3 seconds and pause for 20 alternating frequencies between 400-1000Hz, it can repel moles, gophers, voles, dandruff and other destructive rodents. It is very effective in repelling moles and mice and not harmful to humans, pets and poultry, ideal for garden, farm, greenhouse. Solar Mole Repeller: Powered by a solar cell, no need for extra batteries. The mole repeller does not need to be plugged into any type of power source. The solar panel of the ultrasonic solar repellent receives sunlight during the day. 4 hours charging will keep the ultrasonic pest repellent working for 5 days. Waterproof and Anti-Corrosion: Solar mole repeller suitable for all weather conditions. It is adopts waterproof and anti-corrosion design with IP65 waterproof level and made of high quality ABS material, won’t pollute the ground even after long time working. The green outer shell can be well hidden in plants and can also