Frequency (Hz): 1.6 - 4.2 MHz. Warranty: 90 days Applications: Abdominal Compatible: Philips iU22; Philips iE33 C5-2 Explora for iU22, iE33 Form Factor: Curved Array Applications: Abdominal Frequency Range: 1.6 - 4.2 MHz. Compatibility: Philips iU22; Philips iE33 Return Policy90 days warranty Return in case of manufacturing defects Return for incopatibility assumed by the buyer Tags: Ultrasound Probe