Span America Convoluted Mattress Overlay, 1 Case of 6 Oxygen Conserver-Concentrators Ultrasonic Pocket Doppler * Easy- 16837085550 Style:Right Ear Lamps-Infrared protect exposed nerve surfaces

Span America Convoluted Mattress Overlay, 1 Case of 6 Oxygen Conserver Concentrators Ultrasonic Pocket Doppler * Easy 16837085550 Style:Right Ear Lamps Infrared protect exposed nerve surfaces Ultrasonic Pocket Doppler * Easy to use * Compact design * Interchangeable waterproof probe (sold separately) * Built in audio recorder * Large backlight LCD display * Accurate FHR detection with high fidelity sound effect * Support waterproof probes for both obstetrical and vascular usage * Auto Average and Manual working modes * Various power supply solutions * Automatic power off to save power * 9V alkaline battery Elasto Gel will not dry out or stick to the wound