Temperature range DT8580 -50 ° C to 580 ° C (-58 ° F to 1076 ° F) ◆ Temperature measurement accuracy ± 2% or 2 ℃ Measure distance ratio 16: 1 ◆ Emissivity (adjustable) 0.1 to 1.0 ◆ response time and response value of 500ms long (8-14) um ◆ Repeatability ± 1% or ± 1 ℃ ◆ Resolution 0.1 ℃ or 0.1 ℉ ◆ Storage ambient temperature -20-50 ℃ (-4122 ℉) ◆ Operating temperature 0-50 ° C (32-122 ° F) ◆ High / low temperature alarm setting √ Measure the maximum / minimum / average / difference ◆ Fahrenheit / Celsius Conversion Measurement data storage function ◆ laser target display selection function dual laser ◆ Backlit display selection function Automatic shutdown function ◆ low power display function 【General Features】 ◆ Power supply 9V battery (no battery due to shipping policy) ◆ Product color orange + gray