Specifications:  
--Absorbance Range: 0 - 4.000Abs
--Resolution: 0.001Abs(displayed),0.0001Abs(calculated)
--Accuracy: 0.1% or 0.005Abs
--Type of Microplate: Standard with 96-well or other kind of microplate and strip
--Light Source: Halogen lamp, 8V/50W
--Wavelengths: 405, 450, 492, 630nm, 4 more filters optional
--Wavelength Accuracy: 1nm
--Band width: 8nm
--Calculation Method: ABS, %ABS, Cut-Off, Single Standard, Curve, Multi-Percent, Percent Log, Linear, Exponential, Power, 4PL Regression
--Reading Speed: 5 seconds for 96 well plate (single wavelength)
--Shaking Plate: Shaking time and speed adjustable
--Memory: More than 100 programs, up to 100,000 test results
--Printer: All printers compatible with Windows
--Interface: RS-232, PSTN (optional)
--Display: 6" LCD
--Input: Touch panel or mouse

Microplate washer and strip reader are available

Parameters: SPO2, Pulse Rate.
SpO2
--Measurement range: 35~100%
--Accuracy: 2%(70~100%),0~69% unspecified
--Resolution: 1%
Pulse Rate
--Measurement range: 30-250 bpm 
--Accuracy: 2 bpm
--Resolution: 1bpm 
Display Mode:
--SpO2 display: 1-digit of 2-segment and 2-digit of 7-segment red LED 
--PR display: 3-digit of 7-segment red LED 
--Pulse strength display: A 6-segment red LED bar-graph
--Low battery power indicator: A red LED

Handheld and Tabletop model are available