Character can:

Display mode: 1.1-inch color OLED display

Display resolution: 96*64

Precision: 70% ~ 100% : + / - 2%, less than 70% undefined

Pulse rate measurement range: 30bpm ~ 250bpm (resolution: 1bpm)

Accuracy: + / - 2bpm or + / - 2%

Error under weak perfusion: when the pulse filling degree is 0.4%, the oximeter can correctly display the value of oxygen saturation and pulse rate, and the error of oxygen saturation is + / - 4%. The pulse rate error was + 2bpm or + 2%.

Ability to resist interference of ambient light: the measured value of blood oxygen under indoor natural light and existing lighting source is less than + / - 1% when compared with the measured value under dark room conditions

Power consumption: no more than 30 mA

Working voltage: DC 3.0V

Battery: 2 7 1.5v alkaline batteries

Battery working hours: minimum sustainable working time of 20 hours, theoretical value of 32

Safety type: internal power supply equipment,BF type application part

Net weight: 50g each

Packing information: 200/ carton

Size of each box: 410MM*350MM*420MM