& nbsp;Ultrasonic safety: Ultrasonic sun repellent is effective for rodents such as cockroaches, rats, mice, snakes and other pests. It stimulates the central nervous system of mice by vibrating and emitting sound waves of 400~1000Hz, vibrating once every 30 seconds. It is very effective in removing moles and mice and does not harm people, pets and poultry, perfect for gardens, farms, greenhouses. Energy-saving and waterproof: Powered by solar energy, no extra batteries are needed, which can save a lot of energy. Installation is completely wireless and hassle-free. Made of high-quality ecological materials, with good waterproof performance IP65, not afraid of rain. & nbsp;Safety and Protection: Made of strong ABS plastic and corrosion-resistant aluminum, safe and chemical-free. No radiation, chemicals or odors, safe for humans and our pets. Shade green is great for hiding in plants or as a garden decoration. & nbsp;Efficient work and wide range: The device works on circular patterns with a radius of about 15 meters and covers an area of up to 650 square meters. For best results, we recommend that you install 2 units every 100 feet for frequently visited surfaces. Efficient and practical: This outdoor repellent can work around the clock, 24 hours a day. Perfect for outdoor activities such as gardens, construction sites, patios, garages, driveways, patios, farms, ponds, and granaries. Great for acts to protect your building before mole problems in the garden. Buried rodents are nearly blind but very sensitive to sound and vibration. Solar Molbry mole set makes your hole unbearable , and force them to find 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, 90,000 lux. Note: Place the bar on the ground. Be careful not to apply excessive force to prevent damage to the equipment or hitting obstacles. The bottom of the upper part should be open to the outside. Keep the upper part about 5 cm off the ground to prevent The device is dropped when it rains. If the first time you need to be in the sun for 10 minutes to produce sound, absorb sunlight during the day, and then work at night. Summer + ultrasonic for 2-3 seconds, pause