Series IRE Infrared non-contact thermometer features a unique 3-point laser sighting with center aiming point that defines the area being measured. All models have selectable °F or °C, adjustable emissivity, MIN and MAX temperature, audible and visible high alarm, and a bar graph display indicating the last ten measurements. Model IRE61-1 and IRE90 also feature average and differential temperature, thermocouple input, RS232 output, low alarm, and on-board emissivity tables for 30 preset materials. Use the data management software included with Model IRE61-1 and IRE90 for graphing and analysis of temperature measurements. Model IRE90 also features an integral digital camera to simultaneously measure temperature and digitally photograph the measured area. Units include hard carrying case and instruction manual.