Display parameters: SPO2 value (lower than 94 will have an alarm prompt, the number has been flashing), heart rate pulse PR value (heart rate below 50 or more than 130 will have an alarm prompt, the number has been flashing), columnar Fig.
Display screen: The product adopts monochrome LED screen display, the product has low power consumption, and the equipped 2 * AAA battery (not included) can be used continuously for more than 48 hours.
Voltage warning: When the battery voltage is too low may affect normal use, there is a low voltage warning prompt.
One-key power-on function, simple operation, when no signal is detected, the product will automatically shut down after 16 seconds into the energy saving state.
Advantages: Set probe and processing display module in one, the product is simple to use, low power consumption, small size, light weight, easy to carry.