Products Description The infrared thermometer has memory recall and fever alarm. The body thermometer can memorize the last 32 temperature measurements. And the backlit will display RED color and audible alarm if body temperature is more than 38鈩?(100.4鈩?. It is very intelligent and convenient Quality Assurance We value health. All of our Infrared thermometer forehead are subject to the most stringent testing and checking procedures before they are sold, all products sold by our company, we will give the strict assurance of the quality, you can feel comfortable to buy and use. One-year guarantee is available since purchasing. Products Detail: FAQ: Q: What is your payment term? A: T/T, Western Union, L/C, and Paypal. This is negotiable. Q: How does your factory do regarding quality control? A: 1) 100% QC inspection before shipment. 2) Skillful workers care every detail in handling the producing and packing processes. Quality Control Department is especially responsible for quality checking in each process.Infrared Thermometer factory website:http://www.cantellitech.com/infrared-thermometer/