Features 【SENSITIVITY ADJUSTMENT】: This flame sensor module has a potentiometer to adjust the sensitivity and uses a wide voltage LM393 comparator 【BASIC SPECIFICATIONS】: The working voltage of the flame sensor module is 3.3V-5V, and the output form is digital switch output (0 and 1) 【CONVENIENT OPERATION】: This flame sensor module comes with fixing bolts holes, which for easy installation, is simple to use and durable 【STRONG DRIVE】: The flame sensor module adopts comparator output, the signal is clean, the waveform is good, the driving ability is strong, more than 15mA 【DETECTION FUNCTION】: Can detect flame or light source with wavelength from 760nm to 1100nm. The flame distance of the lighter is 80cm. The larger the flame, the further the test distance, detection angle is about 60 degrees, which is particularly sensitiv Specification: Item Type: IR Flame Sensor Module Material: ABS Working Voltage: 3.3V-5V Output Form: Digital Switch Output (0 and 1) Small PCB Size: Approx. 3.2 x 1.7cm / 1.26 x 0.67in With fixing bolts holes for easy installation Using a wide voltage LM393 comparator Package List: 1 x Flame Sensor Module Note: Flame sensors are most sensitive to flames and also respond to ordinary light, is often used for fire alarms and other purposes Package List 1 x Flame Sensor Module