Features:
Detect the blood stream status of arterial/venous by 8.0MHz; detect the blood flow average velocity, detect the result of finger/toes and part of body's vein anatomies operation.Bar LED can detect the blood stram status.

Specifications:
Ultrasonic probe:8.0MHz±10%

Battery: 7.4V/900mAh rechargeable Lithium 

Input voltage: DC 9V 1000mA

Doppler frequency: 100--7000Hz

Display: LED  20bit

Working temperature: 10-40℃

Humidity: ≤80%

Atmospheric pressure: 86--106kPa