[Speaker output] The ultrasonic insect repellent speaker can be driven 180 degrees without dead ends, which can easily and efficiently expel mosquitoes, cockroaches, mice, moths, spiders and other insects. 【Safe for People and Pets】Chemical-free, non-toxic, low power consumption, our repellers are harmless to people and pets, no need to clean up dead pests, no need to call a pest control technician for help, no need for batteries and save a lot Funded, environmentally friendly alternatives to dangerous poisons and sprayers, chemicals and traps, without bad smells and dead bodies. 【Wide range of application】Ultrasonic insect repellent can help you drive away all pests. Ideal for indoor use, such as home, bedroom, living room, kitchen, office, warehouse, hotel, etc. Equipped with a dual microchip system, this ultrasonic repellent is suitable for areas ranging from 80 to 120 square meters. Since ultrasound cannot penetrate walls and solid objects, it is recommended to have one device per
