Built-in laser pointer identifies target area. Backlighting illuminates display for taking measurements at night or in areas with low background light levels. Automatic Data Hold when trigger released. Fixed 0.95 emissivity covers 90% of surface applications. Auto power off

Temperature range 4°F to 1022°F

Accuracy: ±4°F

Response time: 500m/sec

Spectral response 7-18um

Emissivity: 0.95

Abient operation range: 32°-105°F

Humidity: 10-95%RH noncondensing @ up to 86°F

Storage temperature: -4° to 150°F (without battery)

9V battery included

Distance to spot: 8:1