Quantity: 1 - Color: Blue - Material: PCB - Main chip: LM393 - Working voltage: 3.3~12V - Output format: 0 and 1 digit - Detection range: 760nm~1100nm - Detection angle: About 60 degrees particularly sensitive to the flame spectrum - Adjustable sensitivity (the blue digital potentiometer adjustment) - The comparator output the signal is clean the waveform driving ability more than 15mA - With fixed bolt hole for easy installation - Can widely be used in dynamo speed detecting or Arduino DIY project - The flame sensor is most sensitive to flame and reacts to ordinary light is generally used as flame alarm purposes - Small plate output interface can be directly connected with the single-chip IO - The sensor and the flame should maintain a certain distance in order to avoid high temperatures damage - Packing list: - 1 x Module