Extech 42512 Dual Laser Infrared Thermometer Item is a Class II laser product, 1mW power output. Fast response 30:1 infrared thermometer with backlit dual LCD display Dual laser for accurate targeting with fast (0.15s) response time At 30-Inch (76.2cm) distance two laser points converge to 1-Inch target spot Temperature range:-58 to 1832-Degrees F (-50 to 1000-Degrees C) 0.10 to 1.00 adjustable emissivity increases measurement accuracy for different surface