Supply requiement for 50 units:Foetal Doppler / Ultrasound system w/thermal printer.6 LCD display - able to display twins.Ultrasonic transducer, Pulsed Doppler,FHR range: 50 - 240bpm (+/- 2bpm)TOCO -Display range: 0-99unitsCE or FDA required.Detailed specification will be given to selected suppliers.Country:Bangladesh