Features: Wide measuring range -50?~550? for various hot, hazardous or hard-to-reach objects. Max./min. value, different value and average value with laser ON/OFF switch ?/? switch. Zero offset adjustment, high temperature alarm and low temperature alarm with adjustment. Adjustable emissivity increases measurement accuracy for different surface. Digital color LCD display with backlight, convenient and easy to read at night. Data hold, low battery indication, laser targeting and automatic power off. Can be widely used in oil and chemical industry, railway, electricity, textile processing, etc.