3 Review(s)

Low Power Consumption, 1.5 V, 800 mAh Alkaline Batteries, 5-40° C Operational Temperature, -20-55° C Storage Temperature, 80% Operational Humidity, 93% Storage Humidity, Interference Resistance Capacity Against Ambient Light, 70-100% SpO2 Measurement Accuracy, Pulse Rate Measurement Accuracy (30-99 bpm: 2 bpm, 100-235 bpm: 2%), 33 g Weight (Without Batteries), Small, Compact, Simple, Reliable and Durable Physiological Monitoring Device, ABS Plastic, Shock Proof