Features:Temperature Range: -30℃～550℃/-22~1022℉Accuracy: ±2℃ or ±2%Distance Spot Ratio: 12:1Emissivity: 0.1~1.0 AdjustableResolution: 0.1℃ or 0.1℉Response Time: 500m/sRepeatability: 1% or 1℃Laser Target: √Date Hold: √LCD Back Light: √Auto Power Off: √ ℃/℉: √Emissivity adjustable: √alarm set: √Maximum / minimum / average value: √Specifications:Temperature range: -30℃ to 550℃/-22~1022℉Note: Measurement Range while using NTC: -30℃ to 400℃(-22 to 722℉)Accuracy: ±3℃ or ±3%of rdg， -30℃ to 0℃(-22 to 32℉); ±2℃ or±2% of rdg， 0℃ to 100℃(32 to 212℉); ±3℃ or ±3% of rdg， ≥100℃(212℉)Resolution: 0.1℃ or 0.1℉General Characteristics:Power Supply: 1 * 9V battery (not included)Dimensions: 146 * 80 * 38mmItem Weight: 130gPackage Size: 24 * 16.5 * 6cm / 9.2 * 6.3 * 2.4inPackage Weight: 267g / 9.4ozPackage List:1 * HoldPeak HP-880N Infrared Thermometer1 * English Manual