Fetal Doppler Machine

Features Ultrasound is more than 50 percent lower than the national ultrasonic power standard. LCD backlight displays heart rate of the fetus. Waterproof interchangeable sample. The fully charged battery allows more than 10 hours of continuous operation. Automatic shutdown without operation after 1 minute. The pulse of the 12th-week fetus can be detected with high sensitivity. Three heart rate calculation modes: instant, average 10 seconds and manual. Specification LCD display Ultrasonic sample: solid and durable, anti-shock, anti-falling Ultrasonic frequency: 2,5 MHz ± 5% Intensity of ultrasound: <20mW / cm2 Range of heart rate: 50-210BPM Resolution: ± 1BPM Audio output: 0.5W Auto output: 1 minute without signal or operation Size: 135mm*84mm*33 mm Weight: 0.43 kg main body. Packing List: 1 x Fetal Doppler(with Rechargeable Battery) 1 x S