Large display of the Fetal Heart Rate updates continuously and is easy to read. Detachable waterproof transducer. Recessed transducer and cable holder for storage. Rechargeable NiCad batteries. Large speaker with adjustable volume provides good sound quality. Five year warranty.

OB1 Specifications Features: Liquid Crystal Display (LCD) is large and easy to read. Displays and continuously updates the Fetal Heart Rate (FHR), while a symbol indicates each detected heart beat. Also has a low battery indicator, and volume level display. Four buttons provide simple user controls. Waterproof transducer is detachable and can be gas sterilized at temperatures below 140°F. Doppler Frequency: 2.25 MHz Instrument Size: Length: Width: Height: Transducer Size: Length: Width: Rechargeable NiCad batteries D.E. Hokanson, Inc. 12840 NE 21st Place Bellevue, WA 98005 USA (425) 882-1689...