Brand Name: Cofoe
Model Number: 100A
Product name: Fetal Doppler Detector/baby heart rate monitor
Item Type: Feminine Hygiene
Display: LCD
Screen size: 44.5mm*23mm
FHR Measuring Range: 30~240BPM (BPM: beat per minute)
Battery: 2 pcs 1.5V DC battery (not included)
Mode: 3 types
Working frequency: 3.0MHZ
Net weight: 250g
Useful life: 5 years