Phantom YoYo Arduino compatible Mini Flame Sensor 1,Can detect the flame and the light source with wavelength range from 760 nanometer to 1100 nanometer 2,About 60 degrees Detection Angle , particularly high sensitive for flame spectrum 3,Adjustable Sensitivity , Stable Performance 4,5V Working Voltage , support both the output digital value and the output analog value 5,Necessary for Fire-fighting robots.