The GE 5S is a sector array ultrasound transducer probe. The GE 5S is new with pediatric cardiac applications and exams. This ultrasound transducer has a frequency range of 3.0 to 6.0 Mhz. This transducer probe is also compatible with the GE Vivid series ultrasound systems. You can purchase the GE 5S from Wholesale Medical with a 30 day warranty.