Accuracy of 2% or +/-2 Degrees Wavelength range: 630–660nm Temperature range: -38°C to +520°C High contrast, backlit display for visibility in all light conditions IP20 casing provides dust protection for extended durability Real-Time Read-Out Auto Power Off in 1 Minute Safety Comfort-Grip Powered by 2 x AA batteries (included) 8:1 spot ratio Measures a 32cm circle from 2.5m distance Emissivity: 0.95 Suitable for most material surfaces Warranty: 2 Years Stanley INT077365 Digital Infrared Thermometer The Stanley Intelli Tools Digital Infrared Thermometer is accurate to within 3° with a wavelength between 630-660nm and a temperature range of -38°C to +520°C. This large range allows users to effectively complete their desired tasks. With a high contrast, backlit display for visibility in all light conditions and an IP20 casing that provides protection against dust, increasing its working life. Features thermal leak detection, from a reference temperature (green screen). Scanning an area will show a red screen for high temperature and blue screen for low temperature. Its 8:1 spot ratio allows for users to measure a 32cm circle from 2.5m distance. Emissivity 0,95, covers all thermal radiation emission of most materials.