Handheld Pulse Oximeter Model: PM-600B 2.8inch TFT LCD shown SPO2, Pulse Rate, and TEMP ... Unique software for telemonitoring Handheld Pulse Oximeter Model: PM-600B1. Three parameters:SPO2, Pulse Rate, and TEMP2. 2.8 ... batteries to support 6 continuous working hours, AC is ok. PM-600B Handheld Pulse Oximeter