2pcs Ultrasonic Repellent, Ultrasonic Mouse Repellent, Rodent and Insect Repellent, Mosquito Repellent, Versatile Use for Rats, Ants, Cockroaches, and Other Pests, 100% Safe for Humans and Animals

General Description This ultrasonic repellent is designed to effectively repel rodents, insect pests, and mosquitoes. Thanks to its advanced ultrasonic technology, it acts on the nervous system of pests, deterring them from settling in your space. This product is 100% safe for humans, children, and pets, and uses no chemicals or lethal traps. Technical Specifications Product Model: A18 Color: White Applicable Voltage: 90-250V Power: ≤1W Net Weight: 60g Rated Frequency: 20 kHz - 60 kHz Coverage Area: 120-150 m² (empty) Quantity: 2 pieces Installation To install the repellent, simply plug it in and wait for the blue indicator light to flash, indicating that the device is operating. For optimal effectiveness, it should be placed at a height of 20 to 100 cm from the ground. Usage: The ultrasonic repellent typically begins to work within 3 to 4 weeks, depending on the level of infestation. For maximum effectiveness, it is recommended to place one device in each room in case of a significant infestation. Other information: Please note that ultrasonic waves cannot penetrate walls, which limits their range to separate spaces.