The Extech IR201A Pocket InfraRed Thermometer features a wide temperature range: -4°F to 518°F (-20°C to 270°C), 6:1 field of view; °F/°C switchable, economical small pocket size design for convenience, and a built-in laser pointer for easy targeting. Additionally, the IR201A has adjustable emissivity for better accuracy on different surfaces, lock mode for continuous scanning, Auto power off, and Data Hold/Max Hold.