Specifications: - ultrasound frequency: 3MHz - Origin: China Mainland - Model Number: T802 - measuring range: 50 - 210 bpm - Feature 9: pour bébés - Feature 7: grossesse - Feature 6: pregnancy - Feature 5: ultrasound wireless - Feature 4: sonar fetal doppler - Feature 3: ultrasound portable - Feature 2: ultrasound machine - Feature 1: sonar fetal doppler - Certification: CE - Brand Name: KIUZOU - accuracy: ±2 bpm