1,Can detect the flame and the light source with wavelength range  from 760 nanometer to 1100 nanometer2,About 60 degrees Detection Angle , particularly high sensitive for flame spectrum3,Adjustable Sensitivity , Stable Performance4,5V Working Voltage , support both the output digital value and the output analog value5,Necessary for Fire-fighting robots6,Port explanation : DO for digital output, AO for analog output7,Applicable to a variety of platforms including Arduino / AVR / ARM.