Contec Non Contact Infrared Thermometer are all high quality and compliant with the latest technology trend . Our non - contact infrared thermometer can measure human human temperature accurately and stably due to some unique technology , regardless of high surrounding temperature . It work between two alternative modes . Each time it turns on , It will start self test automatically in order to ensure its normal function and measurement accuracy . The Infrared Thermometer offers us an easy and quick way to measure human temperature . The Infrared thermometer applies only for human being of all ages .