Newman Medical ultrasound probes have been designed to provide excellent sensitivity and durability to withstand everyday office use. The DigiDop 3 MHz Waterproof Obstetrical Probe has a large ultrasound beam optimized for deep penetration for late term pregnancy or larger patients. The probe has been designed for water applications and for comfort for both the provider and the patient. Made in the USA in Colorado. Each Newman Medical Doppler and probe must pass a series of comprehensive tests to assure quality and the durability of each product.