Fingertip Pulse Oximeter Feature: Display Mode:Dual Color OLED six display mode Power Supply:2x1.5V AAA alkaline battery SpO2,Pulse Rate,Pulse Waveform Display Low battery capacity indication Automatically power Off function High accuracy and Special design Menu Setting: Alarm function Specification: Patient Range:Adult, Pediatric SpO2: SpO2 Measurement Range: 0%~100% Resolution: 1% Accuracy: 70%~100%, ±2%; 0%~69%, Unspecified Pulse Rate: Pulse Rate Measurement Range: 30~250bpm Resolution: 1bpm Accuracy: ±2bpm or ±2% Alarm: SpO2 /Pulse Rate / Battery-low Indicator Operation: Temperature:5℃ ~ 40℃ Humidity: 15% ~ 90% Atmospheric Pressure: 700hpa ~ 1060hpa Storage: Temperature: -20℃ ~ 70℃ Humidity:15% ~ 93% Atmospheric Pressure:500hpa ~ 1060hpa Cooperation Mode: Accept OEM and Normal Orde