Description:     HT-822 Non-contact Industrial Compact 12:1 Infrared Thermometer Temperature Tester -50~380\u2103    Features:      1.Unique flat surface、 Mini modern housing design.   2.Simple one-handed operation.   3.Laser Targeting.   4. LCD with back light.   5.\u2103 or  F select switch.   6.laser ON\/OFF switch.   7.Automatic power off.   8. Display Hold Function.   9.Max、Min function.       Specifications:         Temperature Range: -50\u2103 to 380\u2103 (-58 !#!amp!*!ordm;F to 716 F)     Temperature resolution: 0.1\u2103\/ F     Emissivity: Fixed at 0.95     Optical Resolution: 12:1 Distance to spot size- ratio     Basic accuracy: !#!amp!*!plusmn;2% of reading or !#!amp!*!plusmn;2 c\/!#!amp!*!plusmn;4 F     Response time: !#!amp!*!lt;1 second     Diode laser: output!#!amp!*!lt;1mW a 630-670mm class 11 laser produce     Spectral response: 6~14!#!amp!*!mu;m     Power supply: 9V battery (NOT included)      Package included:      1 x HT-822 Non-contact Industrial  Infrared Thermometer   1 x Portable Bag    1 x Englihs User Manual       Details pictures: