Specifications Product Name Ultrasonic Rat RepellerMaterial ABS MaterialOperating Voltage 220VOutput Frequency 20kHz 45kHzProduct Power 6 8WProduct Color BlackDimensions 150mm x 60mmHorn Type Ultrasonic High Frequency Horn Microwave TransmitterFeatures Four Ultrasonic Horns Equipped with four powerful ultrasonic horns this device ensures 360 degree coverage efficiently targeting every corner to repel rats Frequency Conversion Technology Utilizing multi dimensional frequency conversion technology the device disrupts the rat s hearing and nervous system ensuring that they leave the area Wide Coverage Area Capable of covering up to 300 square meters this rat repeller is perfect for large homes warehouses hotels and office spaces User friendly Design Features a simple key design with intuitive controls allowing for easy operation and adjustment of settings Safe for Humans and Pets This ultrasonic device uses high frequency waves that are harmless to humans and most household pets making it perfect for family use Package Included 1 x Ultrasonic Rat Repeller1 x Power Adapter1 x User Manual