48pcs 40KHz 60W Ultrasonic Transducer Stable Output Large Amplitude For Industrial Cleaning Generator Circuit Board Main Features:Large amplitude. High conversion frequency, low heat. Output is stable. Strict tremendous control. Features and specifications: Product size: 45mm*45mm*54mm Product material: 304 stainless steel color: silver Power: 60W frequency: 40KHz Customized Frequency, welocme OEM / ODM Package included:1 x Ultrasonic transducer