Product Feature: 1. Display parameters: blood oxygen SPO2 value, pulse PR value, blood oxygen bar graph, pulse waveform graph, PI (perfusion index) 2. Display screen: The product adopts blue and yellow two-color OLED screen display, and the brightness of 5 levels is adjustable. 3. Display mode: four directions, six display modes 4. Voltage warning: There is a low voltage warning when the battery voltage is too low, which may affect normal use. 5. Auto power off: When no signal is generated, the product will automatically shut down after 8 seconds. 6. Advantages: Integrating blood oxygen probe and processing display module, the product is simple to use, low in power consumption, small in size, light in weight and convenient to carry. 7.Personalized parameter settings: You can set the auditory beeps for every detected pulse and the auditory alarm limits to warn you when your SpO2 and Pulse Rate are beyond set limits. Specifications: Display Type: LED Material:ABS+PC Power :Less than 30mA Operation Temperature: 5℃ - 40℃ Weight:68g Product Size:62*32*33mm SpO2: Measuring range: 70%-99% (Resolution: 1%). Accuracy: 70%-100%, ±2%; Below 70% unspecified Pulse Rate: Measuring range: 30- 250bpm (Resolution: 1bpm). Accuracy: ±2bpm Perfusion Index: Measuring range:0.2%-30% (Resolution: 0.1%( 0.07%-10%); 1%(10%-20%)). Accuracy: 1% Respiration Rate: Measuring range: 10-70rpm (Resolution: 1rpm). Accuracy: 2rpm Package includes： 1 x fingertip oximeter 1 x lanyard 1 x User Manual Notice: The battery is not included, Please use 2pcs 1.5V (AAA size) alkaline batteries
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