Inside laser aimer.
White backlight LCD.
Auto-data hold and auto-turn off (Auto turn off after 15sec. when release the button).
A great many of emissivity symbol.
Use abroad: can used for food, safety-inspect， fire inspect, power vehicle and diesel engine, plastic factory etc.
Can select ℃/℉.
Measuring range: -25~840℃(-13~1,544℉)
Response time: 0.5sec
Spectral response: 6~14μm
Battery: one 9V battery
Measuring precision: -25~840℃, ±(1.5%+1℃)
Ambient operating range: 0~40°C(32~104℉)
Relative humidity: 10~80%RH