Fingertip pulse oximeter P1

Alarm and menu function Color OLED display, four directions adjustable SpO2 and pulse monitoring with waveform display Low -power consumption, continuously work for 50 hours Small in size, light in weight, and convenient to carry Low voltage alarm display, Auto power off Runs on standard AAA batteries Four colors selectable Display - OLED two color display,waveform display SpO2 - Measurement range: 70~99% Resolution: ±1% Accuracy: ±2% (70%~99%), unspecified (<70%) Pulse rate - Measurement range: 30~240 bpm Resolution: ±1% Accuracy: ±2bpm or ±2% (select larger)  Low Perfusion ≤0.4% Power - 1.5V (AAA size)  alkaline battery x 2 Supply voltage: 2.6~3.6V Working current - ≤30mA Automatic power-off - Automatically power off when no signal in the oximeter  for more than 8 seconds