Features:
Small in volume, light in weight and convenient in carrying.
Operation of the product is simple, low power consumption.
Can display the SPO2 and PR.
Low-voltage indication: low-voltage indicator appears before working abnormally which is due to low-voltage.
Automatically power off function: when the device is under the state of measuring interface. it will automatically power off within 5 seconds if the finger falls out of probe.

Specifications:
Color: Yellow + white
Power: 2 * 1.5V AAA battery (Not included)
Power consumption: Smaller than 30mA(Normal)
Operating temperature: 5℃-40℃
Storage temperature: -10℃-50℃
Relative humidity: 15%-80% non-condensing
Hemoglobin saturation display: 35-100%
Pulse rate display: 30-250BPM
Item size: 5.8 * 3.3 * 3.3cm / 2.28 * 1.29 * 1.29in (L * W * H)
Item weight: 26g / 0.91oz
Package size: 10.2 * 9.2 * 4.2cm / 4.01 * 3.62 * 1.65in (L * W * H)
Package weight:  83g / 2.93oz

Package list:
1 * Fingertip Oxymeter
1 * Hanging Rope
1 * Storage Bag
1 * User Manual