medicalEconet Fetal Doppler with waterproof probes - LCD screen displays heart rate and battery level - High sensitivity 2 MHz probe - Noise attenuation for maximum signal quality - Built-in 1.2 W speaker with volume control - Audio output for headphones - Automatic shut-off after 5 minutes - Approx. 6 hours continuous operation - Application: from the 10th week of pregnancy Technical details: Display: LCD Heart rate measurement: 50-240 bpm Accuracy: ± 2% Ultrasound intensity: <10mWatt / cm² (10mWatt / cm²) Sensitivity: from the 10th week of pregnancy Power supply: 2 AA batteries, 1.5 V Includes : - carrying bag - ultrasound gel - 2 x AA batteries Ref : IBSLT28