The Elite incorporates all of the best features of over 20 years of Imex Doppler experience. Mix and match these features to create your Doppler of choice! Standard 9V alkaline or optional rechargeable batteries available. The comfortable shape of the Elite probe is easy to hold and features broad beam technology, making it very easy to find and lock onto the signal of interest. The new probes also incorporate Static Suppression Doppler (SSD) technology for a clear, static-free signal and the best possible diagnostic information. New! 2MHz waterproof probe is available for underwater labor and delivery. The main unit remains outside of the water bath to provide clear, undistorted sound. Obstetrical applications include detecting pregnancy, reassuring the mother, and determining multiple pregnancies. 5 Year Warranty.