CONTEC10A/CONTEC10B/CONTEC10C/CONTEC10CL Pocket Fetal Doppler

Features
. Magnetic probe, compact design, convenient to use.
. Battery level indication.
. Auto shutdown after no signal inputting for 60s.
. Two sound output modes: built-in speaker and external headphone.. Enclosure protection class IP22.(CONTEC10C/CL)
·Ultrasonic working frequency:2 MHz/3 MHz.·Power supply:
CONTEC10A/B: two 1.5V batteries(AA LR6)
CONTEC10C:three 1.5V batteries(AA LR6)
CONTEC10CL: 3.7V lithium battery