MCP Non-contact Digital Laser Infrared Thermometer with Back Light LCD Display Ir-20 infrared thermometers are an excellent tool for chefs, mechanics, and anyone else who needs to quickly know the temperature of something without having to physically measure it. Use it to find areas in your home where heat and cool air may be escaping from. Check your vehicle's engine or your water pipes. easy to use:point and shoot with clear lcd display easily switch between back-light included for increased night visibility normal mode: when the trigger is depressed, the device will provide continuous temperature readout max and min mode: the device scans all the temperatures that are read and displays the highest or lowest recorded temperature that was detected. specifications: - accuracy +/- 2% (on .95 emissive surfaces) - pre-set to .95 emissivity - response time of 500ms - switch between degrees optional use back-light - red pointer sight for aiming - record the max and min temperature in one measurement - auto shutoff after 7 seconds - use 1x 9v battery - included - distance to spot ratio of 12:1 package includes: - 1 x infrared thermometer - 1 x 9v battery - 1 x user manual - 1 x holster