Professional infrared thermometer for commercial or occasional use Infrared technology provides instant and accurate readings Ideal for contractors and home owners to safely measure the surface temperature of objects and fluids at a safe distance Built in laser pointer shows you where you are measuring Shows temperature readings in either Fahrenheit or Celsius (F / C) Complete with 9V Battery for easy and straight away use SPECIFICATIONS • Optical ratio - 8 - 1 • Temperature range -4 degrees to 608 degrees F / -20 degrees to 320 degrees C • Temperature accuracy + / - 4 Degrees F / 2 Degrees C • Emissivity - Fixed tat 0.95 • Response Time - 500ms • Auto power off after 7 seconds of inactivity • Power source 1 x 9v battery included