Function characteristics:℃ / ℉ temperature unit conversion.Keep data display.Locate the laser on/off option.LCD backlight on/off option.Parameters:Material: plasticTemperature measurement range: - 50-380 degree centigradeSize: 145 X 93 X 38mm/5.71"X3.66"X1.5"Accuracy: + / - 1.5% or + / - 1.5 ℃Battery: 2pcs of AAA 7 batteriesRepeatability: ±1% or ±1℃Object distance ratio: 12:1Emission rate: 0.95 presetResolution: 0.1 ℃ / ℉Response time: 500 millisecondsWavelength response: 8-14μm