Features: The non-contact human body infrared thermometer is designed to measure a person's body temperature, and the room temperature does not affect the measurement. Because of the skin type and thickness of the skin, there may be a temperature difference. When the indoor temperature is obviously different, the infrared thermometer should be placed in that room 15-20 minutes in advance. Specifications: Temperature range:32℃-43℃ (90-109.4℉) The accuracy of temperature measurement: ±0.3℃(0.54℉) Reaction time:0.5 seconds Measurement distance 3-5cm/1.18-1.97" Automatic shutdown: about 7 seconds Display accuracy:0.1℃(0.1℉) Operating environment temperature:10℃-40℃(50-104℉) Relative humidity: <80% Product size: 140*80*40mm/5.51*3.15*1.57" (length*width*height) Net weight : 110g (batteries are not included) Battery: 2*1.5 V AAA batteries (batteries are not included) Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Included: 1 x Body Thermometer