... Place of Origin:Guangdong China (Mainland)Brand Name: SmartSensorModel Number: AR924+Usage: PersonalBiggest Explore Depth: 1.5mExplore Frequency: 465kHZ±2kHZEarphone Frequency ... *49.5*41.5cmStandard Carton Gross Weight 16KG Metal Detector AR924 Underground type 1.5 Meter