Features :

• Light and portable 
  
• Low ultrasound dosage 
  
• Beautiful blue back light on large LCD desplay 
  
• Built-in speaker with volume control
• NiHm Rechargeable battery with Charger ( no need to spend extra $ to buy battery ) 
  
• Water Resistant probe , 3mhz ( most popular , common use probe for early detection) 
  
• Guaranteed to hear the normal developed fetus by 12 weeks . 
  

Specification: 

• Ultrasound intensity:<2.5mW/cm²

•  FHR Range:50~210bpm

• Power adapter:AC 220V 50Hz,DC12V 
  
•  Rechargeable batterry:9.6V,300mA
• Size:129mm*82mm*32mm
• Weight:Main body 0.53kg
• Operation Temperature:5-40℃
•  Humidity:0~85%

package includes:
Fetal doppler main unit: 1 each
3 MHz probe: 1 each
Gel: 1 TUBE
ac adapter (110 volt) : 1 each