American standard plug information packaging: Single color box packaging size: 92*60*50mm, single product weight: 44g, packing information: 37.5*37.5*42cm/192pcs, weight: 9.2kgs. European standard plug information packaging: Single color box packaging size: 83*62*60mm, single product weight: 45g packing information: 37.5*37.5*42cm/180pcs Weight: 9kgs Product parameters: Power Supply used: AC: 110-250V/50-60HZ Average power consumption: ≤3W Ultrasonic Frequency: 15-70KHz Ultrasonic Volume: ≥130dB Protection range 100 square meters in an open environment. It is a pure physical product for repelling rats and mosquitoes. The ultrasonic volume can reach 90 decibels or more. The product is exquisite and beautiful, with good effect. It adopts a large speaker and a blue breathing light that changes. It has low power consumption, a long service life, and is harmless to the human body. It is a very good household and daily-use product!