It's a portable ultrasonic device that can be used in the house. It's designed for pregnant women who can't go to the hospital. You can use it safely at home because there is a sterilizer. Press and use the power button on the ultrasonic device to view the child's condition on the screen. You can connect your phone with the Bluetooth function. You can see your child's condition and record it through your smartphone. In case of emergency, it will be sent directly to the doctor in charge. Also, you can analyze the faces of mom and dad and check the faces of the second generation.