The Extech VIR50-NISTL Dual Laser IR Thermometer with Video Screen features a 640 x 480 camera with a 2.2" color LCD display. Transfer images or video via USB or MicroSD card. Dual lasers allow the user to be more aware of distance vs. target, thus yielding more accurate temperature measurements. It features a 50:1 distance to target ratio. Capable of measuring temperatures between -58