Sonoline B Baby Doppler in Teal with 3 MHz Baby Doppler Probe employs the latest technology in baby Heart Monitoring. This baby doppler allows any health care professional or soon to be mommy hear baby's heart beat with ease and reduced static. The back-lit LCD Screen displays the baby’s heart beat, and an audible sound is heard in real time from the built-in high quality speaker. This baby doppler is a high performance model with Fetal Heart Rate (FHR) LCD digital display which provides three modes. These modes allow the user to view the fetal heart rate in different display modes. This baby doppler is suitable for use after the 12th week of pregnancy so it gives you peace of mind and reassurance throughout the rest of the 28 weeks! This unit is equipped with an audio output for headphone or sound recorder (headphone or recorder NOT included) and a built-in loudspeaker. The Sonoline B Handheld Pocket baby Doppler also includes a water resistant 3-MHz Doppler probe. Sonoline B handheld baby Doppler is the best quality equipment used by healthcare professionals, doctors, nurses, midwives and expectant mothers to monitor and hear the baby's heartbeat whenever they want, even when they are out and about! The fetal heart rate can be seen on the clear backlit LCD screen and the sound can be heard via the built in speaker. It is battery operated so it is fully portable and amazingly lightweight - with only 2xAA batteries required it can continuously run on for at least 10 hours.