Operating principle： Double wavelength lights absorption method
Measurement result display： Average of 4 pulses (automatic update at every pulse)
Measurement Range： %SpO2 0 – 100%
Pulse rate： 30 – 240bpm
Accuracy： %SpO2 ±2% (70%≤SpO2≤100%)
：Pulse rate ±3%/±1 digit (30 – 240bpm)
Power source： One AAA alkaline (LR03) battery
Rated voltage： DC 1.5V
Rated power consumption： 0.09W
Operating condition： +10°C to +40°C, 30% to 85% RH (no condensation)
Transportation/storage condition： -20°C to +60°C, 10% to 95% RH (no condensation)
Size Approximately： 60 (H) × 35 (W) × 32 (D) mm
Weight： Approximately 37g (without battery)
Packing：40sets/Carton
0.0538㎥, 6.65㎏