Efficient and safe: the solar mole repeller vibrates and produces approx. sound waves. The ultrasonic solar repeller is effective against rodents such as cockroaches, rats, mice, snakes and other pests, stimulates the central nervous system of mice by vibrating and output sound waves from 400 to 1000 Hz. It is very efficient in eliminating mole and mouse, can repel moles, snakes, rodents and other destructive rodents. Solar energyBuilt-in high-tech solar panel, can be charged directly with solar energy, does not require additional batteries, saves a lot of energy, practical and environmentally friendly. It only takes 5 hours to charge in the sun. Harmless to humans and pets: the mole deterrent emits impulses every 30 seconds for 2 seconds, which generate vibrations and sound waves, repel mole, repel animals such as mice, moles, voles and gophers, without using chemicals on the ground. The mole deterrent is not harmful. Suitable for people and pets. vole stop vole mice. Wide range of effect: the solar mole repellent is powerful and effective, the device works in a circular pattern, with a range of approx. 15 metres and covers up to 650 square metres. We recommend that you install 2 or 4 devices every 100 metres in the garden or on the terrace for best results. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia