DropOS

Description  Olny Thermometer-White -----Packaging bag: Only Thermometer -----Use new AAA battery（ Not include ） -----Make sure the battery is positive and negative -----Color : White -----Mode : Body or Surface(object)       Body  : Measure human body temperature (such as forehead, wrist, neck, etc.)       Surface  (  Object  ) : Measure the surface temperature of an object / ambient temperature (such as water, indoor and outdoor temperatures, etc.)  Only Oximeter-Blue -----Packing box: Only Oximeter+ user instruction + hanging rope -----Use new AAA battery（ Not include ） -----Make sure the battery is positive and negative