The fire detector tubes don’t require any power supply, special fire detector, and integrates alarm and fire extinguishing. It is a kind of fire extinguishing device with low cost, simple and high reliability. The device uses a flexible fire detection tube as a fire alarm component, and also be used as delivery and release pipeline, which can be conveniently arranged near every potential ignition point, and the fire extinguishing efficiency is extremely high. It is mainly used in data room, cabinet, UPS, battery box, etc。