Product Name: Color OLED Fingertip Pulse Oximeter Model: RMS-50D Features: Measure SpO2 and PR accurately Color OLED display SpO2 and PR, Pulse waveform and bargraph display High brightness full color OLED can be used even in dark night Four viewing angles and six display modes Four levels adjustable brightness Low battery voltage indicator Automatic power off when signal is not available for 4 seconds 2 AAA batteries support 30 hours continuously Mini size, light[...]