【PRODUCT SPECIFICATION】Size:50 x 26mm / 1.97 x 1.02in. Thickness:19mm / 0.75in. Power Supply Voltage:12VDC(Input). Item Type:Fire Detector Sensor 【PRODUCT DESCRIPTION】Output with blue terminal block for easy wiring. Comparator output directly triggers the relay 【ADVANTAGE】The module can detect flame or light source with wavelength in the range of 760 nm to 1100 nm. The lighter test flame distance is 80 cm. The larger the flame, the farther the test distance is 【EXCELLENT PERFORMANCE】Sensitivity is adjustable ,adjusted by the blue digital potentiometer 【PRODUCT FEATURES】The detection angle is about 60 degrees, which is especially sensitive to the flame spectrum, Weight: 0.0440924524 pounds, Manufacturer: Oumefar