1) 0.96 inch OLED Display.
2)  With SpO2,PR and PI parameters,pulse wave graph.
3) With Buzzer, demo, and Visual Alarm Function.
4) Five grades brightness adjustment.
5) With Menu,can setup brightness and alarm limits ,switch Buzzer on/off.
6) Standard Accessories: 1 lanyard, 1 manual.
7) CE,ISO,FDA approved.

DISPLAY RANGE 
  Functional Oxygen Saturation (SpO2):    0-99%
  Pulse Rate (PR):  25-250 bpm
  Perfusion Index (PI): 0.1-20%

ACCURACY
  SpO2 Delared Accuracy Range: 70%~100%
     SpO2 Accuray: ±2%
  PR Declared Accuracy range: 25-250 bpm
     PR Accuray: 3 bpm

MEASUREMENT RESOLUTION
   Oxygen Saturation (%SpO2):    1%
   Pulse Rate (PR):    1 bpm
Power Requirements
  Specification of alkaline batteries: 2 AAA(LR03)
  Operating current: 25-50mA

Operating mode: Spot checking
Degree of production against hazards of explosion: IP22

Physical specification
  Product dimensions:57*30*31MM
  Product net weight: 28g   
  Gift box dimensions:9*6*4cm
  package: 100pcs/ctn
  carton box size:47*32*20cm 
  GW(without battery):5.5kgs
  GW(with battery):7.8kgs