Specification is DisplayOLED two color display.SpO2
Measurement range: 70-99%Resolution: ±1%Accuracy: ±2% (70%-99%), unspecified (<70%).
Measurement range is 30-240 bpmResolution: ±1%Accuracy: ±2bpm or ±2% (select larger) Low Perfusion ?0.4%.Power is 1.5V (AAA size) alkaline battery x 2Supply voltage: 2.6~3.6V.Working current?30mA
Automatic power-offAutomatically power off when no signal in the oximeter for more than 8 seconds.Dimension & Weightnearly 50g each pulse oximeter, the real weight depends on the quantities you need in an order, which should be more than 100 pieces: 40*40*40cm=11KG accoding to its volumetric weight (without batteries–NOTE:batteries are not allowed for international air transportation for the safety of shipping and protection environmen)
Package Content:- 1 x Fingertip Oximeter- 1 x Lanyard- 1 x English user manual