EDAN SD3 Pro Ultrasonic Pocket Vascular Doppler with OLED display, FHR readings, audio playback and rechargeable battery 4 / 5 /8 MHz Vascular robe

The SD3 Pro Ultrasonic Pocket Doppler offers superior performance for a great value. With excellent sensitivity, complete interchangeability, and high durability, the SD3 series Ultrasonic Pocket Dopplers is ideal for routine fetal heart rate detection. The SD3 Pro is designed for auscultation (intermittent listening) of fetal sound. The 2 or 3 MHz waterproof probes can be used for the detection of fetal heart rate as a general indication of fetal well being and also to verify fetal heart viability following patient trauma.  The unit can also be equipped with 4MHz or 8 MHz probes for vascular diagnosis.    Features: Built-in Li-ion rechargeable battery ensures long working time Record & play with audio playback and numeric display Plug-and-play, waterproof interchangeable probes Compact design with easy one-hand operation 2 MHz probe with deep penetration for late term-pregnancy and overweight patients  3 MHz probe may detect fetal heartbeat as early as 9 weeks AA batteries compa