Specifications:Temperature range: -30~320?/-22~608?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-320 Infrared Thermometer1 * English Manual