Electronic mosquito repellent:Non-toxic, environmentally friendly,Frequency: 22-65KHz,Power supply: AC 90V-250V 50-60Hz,Power: 5-6W,color: White,Material: ABS,Size: 90X 5650 mm,Weight: 73 grams. Product description: The electronic insect repellent is a new type of high-tech electronic product. It uses a sweeping high-frequency ultrasonic circuit to generate 25-65KHZ sweeping ultrasound. Scientific research has found that mosquitoes, cockroaches, mice, mites and other pests are here. Within the frequency range of sound waves, their endocrine system and physiological functions will cause confusion, which can drive and kill. Ultrasound is harmless to the human body and other animals, because the sound waves of more than 20KHZ cannot be heard by humans. .Because of its safety, non-toxicity, tasteless and high efficiency, it has been widely used.This product is widely used in homes, warehouses, shops, hotels, hospitals, offices, computer rooms, gardens, hotel granaries, etc.The effective range of the product: about 40-80 square meters, and one is installed in each room. Installation method:1. Install the power socket on the wall 20-80 cm from the ground (most of the power left by the home decoration is this height), and keep it perpendicular to the ground (remember that the product cannot be placed on the ground). If there is no power supply of this height, an external power strip is required to keep the product at this height and vertical to the ground.2. There must be no tall obstacles within 1 meter from the front of the product (that is, it must not be installed on the back of objects such as refrigerators, wardrobes, sofas, etc.).3. The product orientation should choose a relatively open place indoors.