KY-026 FLAME SENSOR MODULE IR SENSOR DETECTOR POWER SUPPLY: 0-15 V DC ; EXTREMELY SENSITIVE TO WAVE BETWEEN 760-1100NM AO REAL-TIME THERMISTER VOLTAGE SIGNAL OUTPUT; DO HIGH / LOW ELECTRIC LEVEL SIGNAL OUTPUT DETECTION ANGLE RANGE: ABOUT 60 DEGREES ; HOLE INNER DIAMETER: APPROX. 3MM ; SIZE (L X W): APPROX. 36 X 16MM PACKAGE INCLUDE : 3 PACK MODULE