Hi,everyone,I am tommy from china,and I am a medical equipment supplier,we have fingertip pulse oximeter,ecg machine,ultrasound scanner machine,patient monitor,etc...everyone who has interesting to purchase ,please don't hesitate to contact me by my email:leadmeditech_tommy(at)yahoo(dot)com
you can also visit my website:www(dot)devonmed(dot)com to choose the specific model.
or chat with me by skype,my is junipeng
thank you.