With a belt, a earphone, a bottle of adhesiveFunction: It can detect the Fetal heart, LCD display FHR, it'sUsed for detecting the fetal heart at hospital, clinic, family. Technology: Ultrasonic frequency: 2.5MHz± 10%Power: 9.6V rechargeable batteryUltrasonic intensity: ≤ 10mW/CM2Work time: ≥ 6 hoursUnit: Size: 20.0cmx16.5cmx6.5cmPackaging: Gross weight: 13.5kg(20pse)Size: 45cmx35.5cmx35.5cmDisposition: Charger, gallus, manual
