SPECIFICATIONSDisplay mode: OLED
SPO2: Measurement range: 70-99% (note normal range is above 93%)
Accuracy: +-3%
Pulse Measure range: 30-235
BPM Accuracy: +-2 BPM
Data Update time: < 15s
Pulse Intensity: Bar graph Indication
Power Requirements: Two AAA alkaline Batteries
Battery consumption: Two AAA 1.5V, 600mAh alkaline batteries can be continuously used as long as 30 hours
Dimension: Length: 58mm (2.28") Width: 32mm (1.26") Height: 34mm (1.34")
Weight: 50g (1.77 ounces) - including two AAA batteries
Operating Temp: 5 - 40 Centigrade Storage Temp: -20 - 70 Centigrade
Operating Humidity: 15% - 80% RH
Storage Humidity: < 93% RH