TECHNICAL SPECIFICATIONS * Work theory: lght sensor technology * Product size:57x 31 x 32mm * Net weight: 50g * Material: ABS plastic material * Power supply:alkaline battery * Oxygen saturation:35% to 100% * Pulse rate: 25bpm to 250bpm * Resolution: 1% oxygen staturation,1bpm pulse rate * Precision:Oxygen staturation(+/-2%);Pulse rate(+/-2bpm) * Screen type: LED * Available color: blue * Low battery voltage indicator Packing * Each oximeter with a color box package * Color box size:9 x 9 x 4cm * Export carton size:49 x 38 x 22cm * QTY:200PCS/CTN * Nw/Gw: 9/12kgsc * CBM:0.04 Product Features * Integrated with SpO2 probe & processing display module. * Small in volume,light in weight and convenient in carrying. * Operation of the product is simple,low power consumption. * SPO2 value display, pulse rate value display, bar graph display. * Low-voltage indication * Power off function within 5 seconds if finger falls out of probe.