Specifications:
Project: pulse oximeter
Hemoglobin saturation display: 35-100%
Pulse rate display: 25-250 BPM
Resolving power:
Hemoglobin saturation: 1%
Pulse: 1 BPM
Perfusion index: 0.1%
Measurement accuracy:
Hemoglobin saturation: 2% (80% - 100%); 3% (70% - 80%); unspecified (≤ 70%)
Pulse: 2 BPM
Perfusion index: 1% (0-20%); unspecified (20% - 30%)
Operating temperature: 5 ° C to 40 ° C
Storage temperature: - 20 ° C to 55 ° C
Relative humidity: 15% to 85% non condensing
Test result: 5S
Automatic shutdown: 8s
Battery: 2 * AAA (not included)
Package size: 6 * 3.2 * 3.5cm
Package weight: approx.50g
Packing list:
1* Pulse oximeter
1 * User Manua
please noted that different batch there will have a little difference about the screen dispaly,but the function is the same