Features: Digital color LCD with switchable backlight, convenient and easy to read at night. Wide measuring range from -50 degC to 580 degC for various hot, hazardous or hard-to-reach objects. Maximum temperature value display with ON/OFF degC/Fahrenheit switching. Red LED indicator for temperature upper / lower limit alarm with adjustable alarm value. Data hold, low battery indication, targeting and automatic power off. Can be widely used in oil and chemical industry, railway, electricity, textile processing, etc. Specifications: Model: FY580C/FY580C/FY580K Screen type: digital Temperature range: -50580 degC/ -581076 Fahrenheit Measurement accuracy: 0580 degC±1.5 1 degC/ 321076 Fahrenheit ±1.5 5 Fahrenheit Resolution: 0.1degC 0.1 Fahrenheit Response time: less than 500 milliseconds Wavelength: 8 -14um Emissivity: 0.10-1.00 adjustable 0.01 level Measuring distance from an object: 12:1 Laser: less than 1 mW 650nm K-type probe: NoFY580C/FY580C; YesFY580K Automatic shutdown: 30s Power supply: 1.5 V AAA battery x 2not included Working temperature: 050degC Humidity working environment:1095RH, does not condense Storage temperature: -20 60 degC Product size: about 138x102x45mm Product weight: about 107gFY580C/FY580C; 117gFY580K Package List: 1 x Temperature tester 1 x User manual 1 x Bag