Milwaukee 2276-20 M12 Laser Temp Gun, Tool Only Infrared Surface Temperature Measurement from -22 to 1472F (-30 to 800C) Contact Surface Temperature Measurement from -40 to 1022F (-40 to 550C) 40:1 Distance to Spot Ratio. Measures a one foot spot from 40 feet away High Contrast, White on Black Display with Backlight for easy reading Best In Class Warranty- 5 Years