JPD-100S2 Features: 1 All to one design 2 Power by dry batteries (9V) 3 Nice apperance and easy-to-use 4 The probe collect the fetal heart beat by the principal of doppler ....
JPD-100S3 Feature: 1 split-type design: separate design between host and probe 2 power with dry batteries AAA 3 The probe collect the fetal heart beat by the principal of doppler ....
JPD-100S4 Features: 1.split-type design: separate design between host and probe to be convenient for finding the place of fetal heart sounds 2.power with dry batteries AAA 3.the probe taking the principal of ....
JPD-100A Features Safe: Ultrasound dosage is under 50% of the standard. Portable: light measure, handset, portable. LCD display: LCD display FHR Loudspeaker: Buil....
JPD-200C Features Safe: Ultrasound dosage is under 50% of the standard. Durable: Huge capacity battery, work more than 12 hours after full charge. Convenience: Single key contr....