Hold Ultrasonic Electronic Repnt Repnt

Ultrasonic Insect Repellent - This is our premium version. Using ultrasonic theory, the frequency is changed to stimulate the auditory system of mosquitoes and other pests, making them intolerable and uncomfortable. Large Area Coverage - Each electronic ultrasonic repellent is effective on large areas, up to 800-1300 square feet. Note that ultrasound cannot pass through walls. While our repellents work well, if you have a lot of pests, we recommend placing our repellents in every room. Easy to use, the machine should be installed 80 to 120 cm from the ground. And perpendicular to the ground and plugged into the socket. Can be directly inserted into AC 110V socket (power range: AC 90V-250V frequency: 50-60HZ). Commonly used in homes, warehouses, shops, hotels, hospitals, offices, etc. Large areas may require multiple units. Environmental safety products are non-toxic and environmentally friendly. Our insect repellants are safe and effective. The ultrasonic frequencies emitted by this unit are inaudible to humans and pets. Safe for children, families and pets. However, if you have pet hamsters in your home, don't use this ultrasonic repellent.