Upgraded Technology: Insect repellents use powerful chip technology to prevent pests and rodents from escaping. It can effectively eliminate all kinds of insects, rodents, mice, spiders, fleas, and other pests, while maintaining quiet operation, not making too much noise, and ensuring sleep quality. Large Coverage Area: Two types of ultrasonic insect repellents are used at the same time, the effective area is 80-120 square meters, which can prevent mosquito breeding. Pest control is widely used in all major facilities and sites. Easy to Use: Simply plug the insecticide into the socket and let it flow. Insect repellents can instantly repel pests without killing them. Low power consumption and effective mosquito repellent, no pollution Plug (power range: AC 90V-240V frequency: 50Hz - 60Hz). This ultrasonic device should be installed 80-120 cm from the ground. And perpendicular to the ground and plugged into the socket. This ultrasonic repellent is compatible with ultrasonic HARMFUL AND NON-TOXIC TO HUMANS: This repellent is safe for humans and our lovely pets like dogs and cats. Repels mosquitoes and poisonous insects at a specific frequency, does not affect people and pets, excellent essential furniture, perfect replacement for mosquito net. Product Description This repellent is suitable for all kinds of scenarios. As long as there are insects such as mosquitoes, mice, ants, etc., you can use them to help you avoid trouble and create a comfortable and healthy living and working environment. The main thing: Electromagnetic and ultrasonic waves are the simplest and safest way to eliminate any noise from any type of property. This repellent emits ultrasonic waves at a frequency of 24-65KHz to make pests uncomfortable by disrupting their central nervous system, getting rid of them without killing them. The product is effective against harmful rodents such as mice and insects such as spiders, ants, and cockroaches. Sleep well The whole process of babysitting, to avoid mosquito harassment, enjoy a good night's sleep. At the same time, there is no need to worry about the discomfort of children or pregnant women, and it is non-toxic and noiseless. Size Specification Material: ABS Product size: 90 mm * 56 mm * 60 mm Input voltage: 90-240V Rated power: 4-6W Output frequency: 24-65 KHZ Area: 80-120 square meters About Bluetooth headphones prevent 1. It should be installed at a distance of 80 to 120 cm from the ground and should be perpendicular to the floor. 2. The installation point should avoid furniture such as carpets, curtains, refrigerators, etc. that block or fix the frequency. 3. The repeller can be plugged into a 220V AC (or 110V) outlet. 4. Use a soft, dry cloth with a mild detergent to clean the repeller. 5. Ultrasonic waves cannot pass through walls and solid objects, so one unit is suitable for one room. For best results, please use multiple units in a large area.