T5 Infrared Forehead Thermometer COVID-T5Measuring Range: 32. 0 C 42. 9 C , (89. 6 F 109. 2 F) Operating Voltage: DC 3V Measurement Method: Non touch with Forehead about 1 2 sec Ambient Temperature Range: 16 C ~ 35 C, (60. 8 F 95 F) Humidity: 15 % 95 % RH, Non Condensing Atmospheric Pressure: 86 106 kPa Size: 140 40 40 mm Weight (Without Batteries): 68 g Requires 2x AAA batteries (not included)