full title: AXAYINC Fingertip Pulse Saturation Monitor Heart Rate Monitor with Alarm Setting LED Display. (White)
5.0 out of 5 stars via 2 ratings
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.