Pcmos 2.0MHz Heartbeat Monitor Heart Rate Detector Sonar No Radiation Blue Specification: Condition: 100% new Size: 8*3*12 cm Voltage: DC 2x1.5V Frequency: 2.0MHz±10% Applicable scope: 12 weeks Screen : 1.8 inches Fetal heart rate range: 50-230BPM Color: Blue Features: The probe is large, sensitive, 0 radiation, easy to measure. Large-screen LCD display reading more clearly. Large-screen liquid crystal display, so that pregnant women with poor eyesight can also look directly at their own fetal heart rate data, ease of reading more peace of mind. Fetal health, at any time. Small and portable. Note: Do not use high pressure water gun to flush and drive at too high speed within 24 hours (do not exceed 80-100 yards), all can be normal after 48 hours! Friendly Tips: 1.Due to the light and screen difference, the item's color maybe slightly different from the pictures. Please understand. 2.Please allow 1-2cm differences because of the manual measurement. 3.this product is pack with card broad box ,not the original box ,please understand Package Include: 1pc of Fetal doppler

Pcmos 2.0MHz Heartbeat Monitor Heart Rate Detector Sonar No Radiation Blue The probe is large, sensitive, 0 radiation, easy to measure. Large-screen LCD display reading more clearly. Large-screen liquid crystal display, so that pregnant women with poor eyesight can also look directly at their own fetal heart rate data, ease of reading more peace of mind. Fetal health, at any time. Small and portable. Package Include:1pc of Fetal doppler