The Maverick LT-03 Wireless Infrared Surge Laser Thermometer Gun lets you get accuracy of readings of +/- 2 degrees Fahrenheit / 1 degree Celsius. The large bright LCD with backlight is sure to please. The gun allows you to measure temperatures without contact. The laser pointer allows for accurate aim up to 5 feet away. The gun has a read time of 0.5 seconds and contains an optical resolution of 10:1. The temperature range is -50 degrees Fahrenheit to 1200 degrees Fahrenheit. A 9V Battery is inlcuded. Red/Black