Specification:

Display	OLED two color display
SpO2	Measurement range: 70~99% Resolution: 1% Accuracy: 2% (70%~99%)， unspecified (!#!lt!*!70%)
Pulse rate	Measurement range: 30~240 bpm Resolution: 1% Accuracy: 2bpm or 2% (select larger) Low Perfusion ≤0.4%
Power	1.5V (AAA size) alkaline battery x 2 Supply voltage: 2.6~3.6V
Working current	≤30mA
Automatic power-off	Automatically power off when no signal in the oximeter for more than 8 seconds
*Dimension !#!amp!! Weight**	130 (L) 100(W) 60(H) mm 65g(without batteries)

Optional Color:

- Blue

- Light Purple

- Green

- Gray

- Pink

Package Content:
- 1 x Fingertip Oximeter
- 1 x Lanyard
- 1 x English user`s manual

Note: We will not include batteries， according toChina and International law， batteries are not allowed for international air transportation for the safety of shipping and protection environment. Thank you for your understanding!