THERMOMETER Specification Measurement Range -25° C ~ 1000° C ( -13° F ~ 1832° F)  Distance: Spot 50: 01: 00 Resolution 0.5°  Accuracy ± 0.5% of reading or ± 1° C ( ± 1.8° F) ; which is greater Emissivity adjustable 0.10 ~ 1.00 Response Time less than 0.5 second Power     9V battery Size H165xD30x W105mm Weight 200g Standard Ace.     Hard Case, Operation Manual, Batteries, Warranty Card, Certificate of Product Conformance