??Features for Fingertip Pulse Oximeter: <br /><br />- Measure SpO2 and PR accurately<br />- Color OLED display SpO2 and PR， Pulse waveform and bargraph display<br />- High brightness full color OLED can be used even in dark night<br />- Four viewing angles and six display modes<br />- Four levels adjustable brightness<br />- Low battery voltage indicator<br />- Automatic power off when signal is not available for 4 seconds<br />- 2 AAA batteries support 30 hours continuously<br />- Mini size， light weight， convenient to carry<br />- Widely used in hospital， home healthcare， oxygen bar， community medical centre， alpine area， sports healthcare etc. <br />Specification for Fingertip Pulse Oximeter: <br /><br />Display <br /><br /><br />64K color OLED <br /><br />SpO2 <br /><br /><br />Measurement range: 35∥99%<br />Resolution: ÷1%Accuracy: ÷2% (70%∥99%)， unspecified (<70%) <br /><br />Pulse rate <br /><br /><br />Measurement range: 30∥255 bpm<br />Resolution: ÷1%<br />Accuracy: ÷2bpm or ÷2% (select larger) <br /><br />Power<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 /><br />●30mA <br /><br />Interference resistance against ambient light <br /><br /><br />Deviation between SpO2 in nature indoor lighting condition and in dark room is less than ÷1% <br /><br />Dimension & Weight <br /><br /><br />57 (L) ≠ 31(W) ≠ 32(H) mm<br />50g (with batteries) <br /><br /><br />Package Content:<br />- 1 x RPO-50D Fingertip Oximeter<br /><br />- 1 x Lanyard<br />- 1 x English user's manual<br />- 1 x Pouch<br /><br /><br />Note:<br />We will not include batteries， according to China law， batteries are not allowed for international air transportation.