Feature:

Ultrasound dosage is under 50% of the standard.
Portable: Light measure, handset, portable.
LCD display: LCD display FHR
Loudspeaker: Built-in loudspeaker & clearly
Power off: Auto- power off function
Working time: Adopt with recharger battery, constantly working 10 hours over when full of recharger.
Durable: Huge capacity battery, work more than 12 hours after full charge.
Convenience: Single key control. Automatic battery recharge and protection.
Sensitivity: Monitor 9 weeks above unborn babys blood wall pulsate.
Three model account: Real-time, ten seconds average & handly account the FHR.

Specification:

Ultrasound frequency: 3.0MHz± 3%
Ultrasound intensity: <2.5mW/cm2
Heart rate display range: 50-210bpm
Resolustion: ± 1BPM
Audio output power: 0.5W
Suitable fetus: After 12 weeks
Ultrasonic frequency: 3.0MHz continuous wave± 3%
Ultrasonic intensity: < 2.5mW/cm 2
Power supply: AC 220V 50Hz DC 7.2V (3*2.4V) battery built-in nickel-hydrogen rechargeable battery
Working temperature (centidegree): 5~40
Working humidity: 0~85%
FHR range (bpm): 60~210
LCD display dimension (mm): 28*21
Product size: 8.3 x 3 x 14 cm
Product weight: 252.9

Package Included: