Infrared Thermometer, Handheld, Temperature Range -27 To 482 Degrees F, -33 To 250 Degrees Celsius, Accuracy +/- 2.5% Of Reading For Celsius, Response Time 500 Milliseconds, Spectral Response 8 To 14 Microns, Adjustable Emissivity 0.01 To 1.00, Focus Spot Size And Distance 6 To 1, Focus Spot Size 1 Inch @ 6 Inches, Single Point Laser, Includes Watch Battery, Wrist Strap, Instructions