1. Noncontact measuring 2. Inside laser aimer 3. Yellow green backlight LCD 4. D:S=10:1 5. Auto-data hold and auto-turn off (Auto turn off after 15 Sec. when release the button). 6. A great many of emissivity symbol. 7. Use abroad: can used for food, safety-inspect， fire inspect, power vehicle and diesel engine, plastic factory etc. 8. Can select ℃/ ℉. TECHNOLOGY SPECIFICATIONS Resolution: 0.2 ℃/0.4℉. Measuring range: -25℃～520℃/- -13℉～968℉ Response time: Approx 0.5Sec. Spectral response: 8-14um Emissivity: 0.99/0.95/0.89/0.85 Power: standard 9V battery Measuring precision: -25℃～520℃ ±(2%+1℃) -13℉～968℉ ±(2%+1℉)