If need mix the color,can leave messager after you place a order.
Note:Use standard 2 * AAA batteries. (Batteries not included)
Blood oxygen saturation and pulse monitoring, waveform display.
Low power consumption, continuous working for 50 hours.
Small size, light weight, easy to carry.
Low voltage alarm display, automatic power off.
Product function detailed description:
Blood oxygen saturation:
Measuring range: 70% -99%
Accuracy: ± 2% in 70% -99% stage, SpO2 is not specified (<70%)
Resolution: ± 1%
Low perfusion: <0.4%
1 Measuring range: 30bpm-250bpm
2 Accuracy: ± 2bpm or ± 2% (whichever is greater)
3 Power supply: 2 AAA 1.5V alkaline batteries
4 Power consumption: 30mA or less
5 Automatic shutdown: 8 seconds after no signal Automatic shut-down</0.4%