Temperature range:- 50 to 530°C or -58 to 986°FAccuracy: ±2% or 2°CDistance spot ratio: 12:1 Emissivity: 0.95 Response time: 500ms Wavelength: 8 to 14um Repeatability: ±1% or±1°CResolution: 0.1°C or 0.1°F℃/℉ selection Data hold functionLaser target pointer selection Backlight display selection Auto power shut off Low battery indicatorPower: 9V battery