Features for Fingertip Pulse Oximeter: 
<br />- Reliable accuracy and durability
<br />- Two Color OLED Display, four display modes.
<br />- 4-Direction Display adjustable.
<br />- Low voltage indicator, Real-time spot-checks.
<br />- Low power consumption,50 hours continuous to work.
<br />- Low Perfusion ≤0.4%
<br />- Automatic power off when no signal
<br />- Small and light weight, convenient to carry
<br />- Widely used in hospital, home healthcare, oxygen bar, community medical centre, alpine area, sports healthcare etc.
<br />
<br />Specification for Fingertip Pulse Oximeter:
<br />Display
<br />
<br />OLED two color display
<br />
<br />SpO2
<br />
<br /> 
<br />
<br />Measurement range: 70～99%
<br />Resolution: ±1%
<br />Accuracy: ±2% (70%～99%), unspecified (<70%)
<br />
<br />Pulse rate
<br />
<br /> 
<br />
<br />Measurement range: 30～240 bpm
<br />Resolution: ±1%
<br />Accuracy: ±2bpm or ±2% (select larger) 
<br />Low Perfusion ≤0.4%
<br />
<br />Power
<br />
<br /> 
<br />
<br />1.5V (AAA size) 
<br />alkaline battery x 2
<br />Supply voltage: 2.6~3.6V
<br />
<br />Working current
<br />
<br />≤30mA
<br />
<br />Automatic power-off
<br />
<br />Automatically power off when no signal in the oximeter for more than 8 seconds
<br />
<br />Dimension & Weight
<br />
<br />130 (L) × 100(W) ×60(H) mm
<br />65g(without batteries)
<br />
<br />Optional Color:
<br />
<br />- Pink
<br />
<br />- Blue
<br />
<br />- Light Purple
<br />
<br />- Green
<br />
<br />- Gray
<br />
<br />Package Content:
<br />- 1 x RPO-8A Fingertip Oximeter
<br />- 1 x Lanyard
<br />- 1 x English user's manual
<br />
<br />Note:
<br />
<br />We will not include batteries, according to China and  International law, batteries are not allowed for international air transportation for the safety of shipping and protection environment. 
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<br />Thank you for your understanding!