Ultrasonic Safe: The ultrasonic solar repellent effective against rodents such as cockroaches, rats, mice, snakes and other pests, stimulates the central nervous system of mice by vibrating and emitting sound waves of 400 to 1000 Hz. Vibration interval every 30 seconds. It is very effective in removing moles and mice, and will not hurt people, pets and poultry, great for garden, farm, greenhouse. Energy Saving and Waterproof: Works on solar power, does not require additional batteries, which can save a lot of energy. The installation is completely wireless and hassle free. Made from materials High quality ecological, it has a good waterproof performance IP65 and is not afraid of the rain. Safety and Protection: Made of sturdy ABS plastic and corrosion-resistant aluminum, safe and chemical-free. No radiation, chemicals or odors, safe for humans and our pets. The outer cover green can be well hidden in plants and can also be used as garden decoration. Wide range of efficient working: The device works on a circular pattern, about 15 meters in radius and covers up to 650 square meters. For the best possible result, we recommend that you install 2 devices every 100 feet for frequented ground surfaces. Efficient and practical: This outdoor animal repellent works day and night, 24 hours continuously. Ideal for outdoors such as gardens, construction sites, terraces, garages, driveways, terraces, farms, ponds, but also granaries, etc. Ideal for the protection of your buildings Act before you have a mole problem in your garden. Buried rodents are almost blind but extremely sensitive to sound and vibration. The solar powered Molbory mole device makes your holes unbearable and forces them to look for other places to live. Features: Material: ABS and aluminum tube. Rechargeable battery: 1.2 V / 800 mAh. Effective range: 650 m. Frequency: 400-1000 Hz. Charging current: 45 mA with 90,000 lux. Note: Place the bar on the ground. Be careful not to exert excessive force to prevent the device from being damaged or hit against an obstacle. The base of the upper part should be open to the outside. Hold the upper part approximately 5 cm above the ground to prevent the device from falling in the event of rain. If the first time needs 10 minutes in the sun to create sound, absorb sunlight during the day and then work at night.Summer + ultrasound for 2-3 seconds and pause