CEM DT-8838 professional high temperature digital non-contact infrared thermometer (laser thermometer / temperature gun). This hand-held temperature measurement device is capable of non-contact (infrared) temperature measurements at the touch of a button. The built-in laser pointer increases target accuracy while the backlight LCD and handy push-buttons combine for convenient, ergonomic operation. DT-8838 features: High 30 to 1 distance to target ratio measures smaller surface areas at greater distances; Widest temperature range from -50.0 to 1000oC/-58.0 to 1832oF; Unique flat surface, modern housing design; Built-in laser pointer; Automatic data hold; oC/oF switch; Emissivity digitally adjustable from 0.10 to 1.0; MAX,MIN,DIF, AVG temperature displays; Backlight LCD display; Automatic selection range and display resolution 0.1oC(0.1oF); Trigger lock; Set high and low alarms.