Newman Medical DD-901 Table Top DopplerThe Newman Medical DD 901 Table Top Doppler has breakthrough sensitivity and size Extended Depth XD probes provide up to 56 increased sensitivity at shallow depths 2 5 cm) where many early fetal hearts are located Complementing the new XD probes is the state of the art Digital Signal Clarity (DCS of the Doppler signal. * Dual speaker, room filling sound * 5 Year warranty on all parts & labor, including breakage. * Bright, wide angle LED backlit