NFE Nofire is a Seismic Motion Detecting Automatic Gas and Energy Shut-Off Device "with LCD Display" and "Mechanical Sensor" Electromechanical Earthquake Device. It is absolutely not affected by magnetic fields that may occur during an earthquake or for any other reason. With its stainless steel ball and patented design, it has been produced in a structure that detects earthquakes and sends signals for many years. It has the feature of closing a single Solenoid Valve (12V DC) by being used with the gas alarm device.