Alarm function: Set the alarm and beep according to your needs. There will be a warning once the measured values go beyond the setting. Know it immediately.
Long battery life: 1) Low-power consumption, continuously work for 6 hours.
2) In the absence of signal, the product will be in after 8 seconds to enter standby state
Please notice that no battery(2*1.5V AAA Batteries).
If you are looking for oled finger pulse oximeter m160rl205309, welcome to contact our factory. As one of the leading manufacturers and suppliers in China, we'll offer you not the cheapest but competitive price and excellent service. Please rest assured to buy our quality products.