The Extech i5 compact IR camera is for thermal imaging, with focus-free viewing and 5000-image miniSD card storage. Monitors and detect the thermal condition of electrical system components. Reportedly can inspect areas that can’t be reached with thermocouples or other contact-based instruments. High-res images pinpoint problems in need of repair. Is said to deliver accuracy of 2% and thermal sensitivity of 0.18°F/0.1°C. Is 12 oz. Features a 2.8" high-res color LCD.