Display:LED display
SpO2 range: :70 -99%
SpO2 accuracy: ±2%
SpO2 resolution: 1%
Pulse rate range :30-250 bpm
Pulse rate accuracy: ±2bpm
Pulse rate resolution: 1bpm
Power:2*AAA batteries powered
Product weight: 1.07oz
Product dimension: 2.44x1.34x1.34inch