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