This product is a Piezoelectric Transducer, made of solid materials, safe and durable. It can last for a long time without being easily . The product is an excellent Piezoelectric Cleaning Transducer that can bring you more convenience, allowing you to have a more comfortable experience. Features -Color:Multi -Material:Stainless steel -Size:5.30X4.40X4.40cm/2.08X1.73X1.73in Washing frequency: 40kHz Power: 60W -Fast and efficient cleaning achieved through the use of a 40khz oscillator. -A convenient and time-saving Dishwashing Machine Piezoelectric Transducer for dishwashing at home. -Effective removal of stains made possible by the utilization of technology. -Durable construction use of the transducer for home dishwashing. -Provides firm and consistent performance for a seamless user experience. Package list: 2 x Transducer