This is a FDA approved Medical Device
FEATURES:
All to one design
Power with 1 x 9 volt alkaline battery
3mhz integrated ultrasound probe.
2 audio ports for connecting to earphone , speaker or computer
Included in the package:
Jumper JPD-100s 3 mhz Fetal heart Doppler
Earphone
Recording cable to export audio to computer, speaker or other device
Starting gel
1 Sealed 9 volts battery
Instruction manual