THERMOMETER Specifications :  Measurement range: -60 to 760° C Up to maximum : 3 m Distance to spot ratio : 30 : 1 Accuracy : ± 2% of reading or ± 2° whicever is greater for 0 5 760° C ± ( 2+ 0.05/ ° C) ° C for -60-0° C Resolution : 0.1° at -83.2 ~ 999.9 ( ° C/ ° F) , otherwise 1°  Emissivity : 0.10 ~ 1.00 ( adjustable)  Response time : 1 second Spectral Response : 8 ~ 14¼ m Laser Pointer : Dual, Class II, up to 1mW Thermocouple : K Type Range : -64 ~ 1400° C ( -83.2 ~ 2552° F)  Accuracy : ± 1% of reading or ± 1° C whichever is greater Power : 2 x 1.5 V ( AAA Battery)  Size : 119.2 x 47.5 x 171.8 mm Weight : 255.7 g ( including batteries)  Standard Accessories : batteries, instruction manual, warranty card, certificate of product conformance Optional Accessories : certificate of calibration