MR-PCLT Muchmore Professional Circle Laser Infrared Thermometer - Specifications - Field of View(D:S) 9:1 Optics ratio Measuring Range -33~500℃ / -27~932℉ Accuracy +- 2% or 2℃/4℉ Response time 1.0sec Resolution -9.9 to 199.9℃/℉ : 0.1degree ( Others : 1.0 degree ) Wave length 8~14㎛ Size 150 x 25 x 27mm Weight 54g (Without battery)