Model Number: HWM-FDK-001A Brand Name: Healthywealthy Key Specifications/Special Features: Technical Specs: Model:HWM-FDC-001A LCD display:37 x 23 mm Application: 12th week pregnancy Working mode: continuous waving soppler Continuous work time:≥ 8 hours Ultrasonic Frequency:2.5 MHz or 2.0MHz Probe: Nominal Frequency: 2.0 MHzWorking Frequency: 2.0MHz ± 10%Ultrasound Output Power: P < 10 mW
Ultrasonic Output Intensity: Isata < 5 mW/cm2
Negative Peak Sound Pressure : p_ < 0.5 MPa
Effective Radiating Area of Transducer: 208 mm2 ± 15%
Machine size:135x95x35mm
Weight:180g/pcs
Package:1pc in a colorbox
Power: DC 3.0V
Battery: 2 x AA battery

Features:
Built-in speaker
Equipment with audio recording can be connected by the audio interface, achieves real-time record of fetal heart sound.
Low power consumption, continuously work for more than 8-hour with 2 AA batteries.
optional probes:2,3,4,5,8MHz probe

What's include:
Fetal doppler x 1pc
User manual x 1pc

Certificates:
CE,FDA,ISO