Geatex GXMT38 Non-Contact Infrared Thermometer with Laser Targeting Measurement Range: -50C to +380C /-58 F to +716F Distance to spot ratio of 12:1 Temperature readings for current and Maximum temperature EMS adjustable function: each object has its suitable emissivity, the adjustable emissivity function Auto Shut-off & Low Battery Indicator, Powered by one 9-volt battery(INCLUDE)