specification: Item Type: Ultrasonic Pest Repeller_x000D_Material: ABS_x000D_Product Voltage: 90V-250V (Wide Voltage)_x000D_Product Power: 3W_x000D_Ultrasonic Frequency: 20KHz-65KHz (Intelligent Frequency Conversion)_x000D_Power Supply Mode: Direct Plug in Features: 1Physically remove mites, safe and harmless, plug and play, simple operation, one key operation. 2The ultrasonic frequency can be continuously changed within the effective range, making the mites unable to adapt, so that it has a long term effect of removing mites and preventing the occurrence of mites. 3Pest repeller has no harm to infants, pregnant women, pets, environmental protection and energy saving, and protects the health of the family. 42 in 1 function, ultrasonic insect repellent and self contained night light, suitable for home use 5Ultrasonic insect repellent adopts the intelligent frequency conversion function, and the frequency changes constantly to adapt to the environment. PackageList: 2 xUltrasonicPestRepeller 1 xUser Manual