2-Piece Ultrasonic Mosquito Repellent, Ultrasonic Mosquito Repellent, Ultrasonic Insect Repellent, Ultrasonic Bat Repellent, Ultrasonic Mosquito Repellent, for Mosquitoes

【Safety and Environmental Protection】With advanced ultrasonic technology, the device is environmentally friendly, non-toxic, and odorless. It is chemical-free, safe, and quiet for children, pets, and pregnant women.【Ultrasonic Technology】Electronic repellents use high technology to generate frequency pulses in bands sensitive to pests such as mosquitoes, mice, cockroaches, and others, attacking their nervous system and hearing so they cannot survive, thus achieving the repellent's purpose! Depending on the level of infestation, the effect varies and takes 2-4 weeks to achieve results.【Wide Coverage Area】The ultrasonic repellent covers a wide area, meeting most household repellent requirements. Suitable for approximately 80 square meters, it is recommended to install one sterilizer in each room, as ultrasound cannot penetrate walls and solid objects. Ensure there are no obstructions such as curtains in front of the repeller. 【Easy to Use】The ultrasonic repeller is very easy to use; no tools are required. Simply plug the vertical ultrasonic connector into a power outlet, and it will work automatically. For pests such as mosquitoes, it is recommended to install the ultrasonic repeller 80-100 cm from the ground. For rodents such as rats, it is recommended to install the ultrasonic repeller 20-30 cm from the ground. 【Wide Application】It is small and easy to carry, making it suitable for homes, guesthouses, hospitals, attics, hotels, machine rooms, warehouses, supermarkets, businesses, etc., effectively repelling mosquitoes, mice, spiders, ants, cockroaches, and more.