Display screen:The product adopts LED screen display.
Energy saving and environmental protection:The product has low power consumption, and the two AAA batteries can be used continuously for more than 40 hours.
Voltage warning:When the battery voltage is too low and may affect normal use, there is a low voltage warning prompt.
Automatic shutdown:When no signal is generated, the product will automatically shut down after 8 seconds.
Advantages: Integrating the blood oxygen probe and the processing display module, the product is simple to use, low power consumption, small in size, light in weight and easy to carry.