... , social medical organizations, first aid, and homecare etcFEATURES1. Dual color OLED display SpO2, PR, PI, waveform and pulse ... be continuously operatedas long as 15 hours.EnvironmentalOperation Temperature: 5°C - 40°CStorage Temperature: -20°C - 55°COperation Humidity: ≤ ... accuracy: 30 - 99: ±2bpm 100 - 235: ±2%DisplayType Dual color OLED displayParameters SpO2, PR, PI, Pulse bar, PlethysmogramMode 6 ...