Specifications Model W 10Measuring Range 50°C 800°C 58°F 1472°FResponse Time 0 5 secondsAdjustable Emissivity 0 1 0 99Measuring Distance Ratio 12 1Resolution 0 1°C 0 1°F Power Supply 2 x 3V No 7 batteries not included Battery Life Approximately 12 hours continuous useWorking Temperature 0°C 50°C 32°F 122°FStorage Temperature 20°C 50°C 4°F 122°FRelative Humidity 10 95 RH no condensation Features 1 Precise 13 point laser alignment Enhances accuracy by outlining the measurement area clearly 2 Wide temperature range Ideal for extreme temperatures from 50°C to 800°C 3 Quick measurements Obtain readings in just 0 5 seconds for efficient operation 4 Adjustable emissivity Customizable for various material surfaces to improve results 5 Simple °C °F toggle Effortlessly switch between temperature units as needed Package Included 1 x Infrared Thermometer W 10