Blood oxygen measurement accuracy: 70 ~ 100%, ± 2%, less than 70% undefined
Blood oxygen measurement range: 0 ~ 100% (resolution is 1%)
Pulse measurement range: 30~250BPM (resolution is 1BPM)
Auto power off: when no finger is inserted, it will automatically power off in 5 seconds
Battery: 2 AAA batteries
Package Size: 85x65x40mm/3.3x2.6x1.6inches
Material:PVC
colour:Blue White