Mid-range Infrared Thermometer Meas. ranges: -50.0°C to 760°C /-58.0°F to 1400°F; Sample rate: Less than 1 second; Basic accuracy: ±2% of reading or ±2°C/±4°F; Resolution: 0.1°C/1°C; Over range indication: LCD will show "OL" and "-OL"; Polarity: Automatic (no indication for positive polarity); Minus (-) sign for negative polarity; Emissivity: 0.95 fixed value; Field of view: D/S = 10:1; Diode laser: Output <1mW, Wavelength 630~670nm, class 2 (II) Laser product; Spectral response: 6~14μm; Power off: Automatic shut off after 7 seconds, approx.; Operating temp.: 0°C to 50°C (32°F to 122°F); Storage temp.: -20°C to 60°C (-4°F to 140°F)