Weight: about 21g (exclude batteries)
Dimensions: 60mm (length) x 35mm(width) x35mm (height)
Power Requirements: Battery: AAAx2
Parameters: Sp02, PR(Pulse Rate)
Sp02
Measuring Range: 0-100%
Resolution: 1%
Accuracy : 70%-100%. ±2%; At 0-69%, unspecified
Measuring Range: 25 bpm -250 bpm
Resolution: 1 bpm
Accuracy: ±1% or ± 1 bpm, whichever is greater