GM320 Infrared Thermometer -50-400 Non-Contact Laser Digital LCD Display Instant Read Temperature Meter Tester Used to measure the surface temperature of hot water pipes, hot engine parts, hot tubes or Insulation, electrical connection etc Support switch between C and F, data hold function, easy to use LCD display for easy to see the screen when designed this infrared thermometer, it delete complex operation to meet daily use. Just aim at the target surface and pull the trigger and you will get the accurate temperature of the target object. Various usages: vehicle repairing, home maintenance, measuring temperature of household appliances, adapter, (Cooking, Baking, BBQ)etc. Temperature range: -50-400(-58~752). Accuracy: 1.5C3.4For 1.5% Resolution: 0.1C or 0.1F Distance Spot Ratio: 12:1. Emissivity: 0.95 (fixed).. Response time: 500m/sec, 95pct response. Spectral response: 5-14 um. Maximum Show Value: 380 . Working Temperature: 0 to 40 . Red Laser Power: less than 0.5 MW. Power supply: 2 x AAA battery(not included). Operating temperature: 0 - 40 ( 32 - 104 F ) Operating humidity: 10 - 90% RH Storage temperature: -20 - 60 ( -4 - 140F ) C/F Selection Data Hold function Laser Target Pointer ON/OFF selection Backlight ON/OFF selection Auto Power Shut Off in 7 seconds without any operation 1.Install battery 2.Know exactly what you're measuring with a built-in laser 3.View accurate readings on a backlit display. 4.Instantly holds readings on the display ,so you can record your readings. Specifications: Temperature range: -50 ~ 600 (-58~1112). Accuracy: 1.5% or 1.5 Resolution: 1% or 1 Distance Spot Ratio: 12:1 Emissivity reading Resolution: 0.1/0.1 Red Laser-Power: less than 0.5 MW Power supply: 2 x AAA battery (the batteries are not included) Product Dimension: 145 x 70 x 40mm(L*W*H) Net weight: 110g Features 100% Brand New.