1This infrared thermometer is suitable for all kinds of hot, dangerous or difficult to reach the wide measurement range of surface temperature-501100(-582012). 2It has LCD color screen display, making it easy to read temperatures from any viewing angle. 3Widely used in refrigeration and household and other fields, make safe, accurate, fast and reliable measurements of the target object. 4It features automatic power off control without operation within 20s to keep safety, you don't worry if you forget to turn it off. 5Built-in dual laser pointer can improve target accuracy, with / choose, maximum, minimum, AVG, DIF function, REC memory function, automatic range selection and automatic data hold function, bring you convenience. Condition: 100% Item Type: Infrared Temperature MeterMaterial: ABSColor: As shown in the picture Model IR-834 Range IR -501100-582012 Traditional knowledge -501370/ -582498 Accuracy IR -500/ -5832:4 0500/ 32932:1.52/ 3.6 Above 500/ 932:22/ 3.6 Traditional knowledge -501370/ -582498:1.51/ 1.8 Optical resolution 30 : 1 Emissivity Adjustable range: 0.101.0 Resolution 0.1(0.1)1000; 1(1)1000 Response time 250ms Spectral response 814um Polarity display Automatically displayed, "-" indicates a negative sign and a positive sign is unsigned. Diode laser Output <1mW, 630~670nm, Class 2(II) Automatic shutdown The meter automatically turns off after 20 seconds Working temperature 050(32122) Storage temperature -2060(-4140) Relative humidity Working: 10 to 95% R; Storage: <80% RH Power supply 9V battery (not included) Weight 290g/10.2oz Size (L x W x H) 198x128x58mm / 7.8x5.0x2.3in 814um Automatically displayed, "-" indicates a negative sign and a positive sign is unsigned.