Features:
♥Safe:the ultrasound is lower than the national ultrasonic power standard by
over 50%.
♥Automatic shutdown after 1 minute without operation.
♥High sensibility can detect the heart rates of 12th week fetus.
♥Three calculation modes to calculate fetal heart rate: instant, 10 second
average and manual.
♥Ultrasonic frequency: 3.0MHz ±3%
♥Power:AA*2 ,Battery status indicator
♥ Portable:compact and portable design provides a convenient use and
carrying.
♥ LCD display:carge backlight LCD displays the fetal heart rate.
♥ Loudspeaker:cuilt-in speaker gives clear and loud voice.
♥ Interchangeable waterproof probe.
♥Two pieces of standard 1.5V alkaline battery available which can work no less than 10 hours.