Guangzhou Sinomedical Limited.  

Product Name: Blood Testing Equipments Color LED Finger Pulse Oximeter Type: Health Care Intercom System Scale: Medium Certification: CE Customized: Non-Customized Trademark: MeCan Transport Package: 100PCS/Carton Specification: 47.5*37*21c m, 8kg Origin: China Mainland Product Description Blood Testing Equipments Color LED Screen Finger Pulse OximeterColor LED displayBlood oxygen value display range: 70 ~ 100% Pulse rate value display range: 30 ~ 240BPMResolution: blood oxygen saturation is 1%, pulse rate is 1BPM