Measurement range: -50 C ~ 380 C ( -58 F ~626 F ) Accuracy: -50 C ~ 0 C( 3 C), 0 C ~100 C ( 1.5 C), 100 C~330 C ( 1.5%) Repeatability: 1 C or 1% of reading Resolution: 0.1 C or 0.1 F Response Time:500mSec, 95% response Emissivity : 0.95 Preset Distance To Spot Ration: 12:1 Spectral response: 8~14?m Storage Temperature: -20 C ~ 60 C ( -4 F ~140 F ) Operating Temperature: 0 C ~ 40 C ( 32 F ~104 F ) Operating Humidity:10-95% RH non-condensing, up to 30 C (86 F ) 2*AAA 1.5V battery (NOT Included-Please kindly note that we have to take off the battery due to the policy of the shipping company )