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Display Mode: LED display
Spo2 measuring range: 0-100%
PR measuring range: 30-250bpm
Resolution: 1% for Spo2, 1bpm for pulse rate
Axxuracy: ±2%(70%-100%), unspecified(<70%) for Spo2, ±2bpm or ±2%(select larger) for pulse rate
Power supply: 1.5V(AAA size) alkaline batteries
Can work more than 30 hours continuously
Interference resistance capacity against ambint light and measurement performance at low perfusion