Measurement Range : -40ºC ~ 280ºC (-40ºF ~ 536ºF)   Distance:Spot : 3 : 1    Resolution : 0.1º   Accuracy : ±1ºC (±2ºF) ±0.1 for -40ºC ~ 0ºC;     ±1ºC for 0ºC ~ 65ºC;     ±1.5% of reading for 65ºC~280ºC    Emissivity : 0.97 fixed   Response Time : < 500ms   Spectral Response : 8 ~ 14µm   Laser Pointer : Single, Class II, up to 1mW   RTD Probe : range: -40ºC ~ 200ºC (-40ºF ~ 392ºF)      accuracy: ±1ºC (±2ºF) ±0.1 for -40ºC ~ -5ºC;     ±0.5ºC for -5ºC ~ 65ºC;     ±1.5% of reading for 65ºC~200ºC    Power : 2 x 1.5V (AAA battery)   Size : 167x61.5x35.5mm   Weight : 190g   Standard Accessories : Instruction Manual, Batteries, Warranty Card, Certificate of     Product Conformance   Optional Accessories : Soft Case, Hard Case, Calibration Certificate