BANGPHY A3 OLED Fingertip Pulse Oximeter Blood Oxygen Heart Rate Monitor

Auto rotation in 4 direction, adjustable display.
Reliable accuracy and durability.
Two colors of OLED display, for more displaying modes
Low voltage indicator and low power consumption.
Automatic power off when no signal.
Small and light weight, convenient to carry.
Widely used in hospital, household health care, oxygen bar, community center, etc.

Display	OLED
SpO2	Measurement range: 36~99% Resolution: ±1% Accuracy: ±2% (70%~99%), unspecified (<36%)
Pulse Rate	Measurement range: 30~250 bpm Resolution: ±1% Accuracy: ±1bpm or ±1% (select larger) Low Perfusion ≤0.4%
Power	1.5V (AAA size) alkaline battery x 2(not included) Supply voltage: 2.6~3.6V
Working Current	≤30mA
Automatic Power-off	when no signal in the oximeter for more than 8 seconds
Dimension & Weight	103 (L) × 64(W) ×37(H) mm 57g(without batteries)