Features:

• Compact and light
• High-Sensitivity Doppler probe
• Ergonomic design
• 4 Ranges of probes (4 MHz: deep vessels,5 MHz: general purpose,8 MHz: peripheral vessels)
• Easy to use
• Long time continuous use (6 hours)

Specifications:

• Ultrasound frequency: 4,5,8 MHz
• Intensity: <10 mW/cm2
• Heart counting range: 50~240 bpm
• FHR accuracy: 2% of range
• Battery:1.5 V × 2 (AA type)
• Battery life: 360 min (continuously use)
• PC interface: sound card
• Main body: 75 mm ˟ 128mm ˟ 26mm
• Probe: 25mm ˟ 138mm ˟  25mm
• Weight (main body and probe): 200g