Reduce cross-contamination risk and minimize the risk of spreading disease with these non-contact infrared thermometers! Powered by 2 AA batteries, these devices instantly reads body temperatures from a safe distance. Features include an audio alarm when the temperature is too high. Temperature readings can be displayed on the backlit LCD screen in both Fahrenheit and Celsius, with memory for 32 previous measurements. Accuracy : 0.6 degree F (0.3 degree C). Measuring distance : 1.2in – 2in (3cm – 5cm). Body-mode temperature range : 89.6 degree F – 109.2 degree F (32 degree C – 42.9 degree C). Batteries are not included.