The Extech IR260 Compact Non-Contact InfraRed Thermometer measures from -4 to 752°F (-20 to 400°C) with built-in laser pointer to identify target areas and improve aim. The IR260 features a 12:1 distance to spot (target) ratio and adjustable emissivity for better accuracy when measuring temperature on different surface materials. Programmable high/low alarm alerts user visually and audibly when temperature exceeds set limits (audible alarm can be muted). MAX/ MIN function stores maximum and minimum readings with easy recall. The IR260 is ideal for electrical troubleshooting, HVAC and automotive maintenance, and building insulation applications.