Multiple fire extinguishers are connected to each other to form a single fire extinguisher.
A group consisting of multiple fire extinguishers that are related to each other by means of connectors in accordance with prearranged rules to form a whole. The fire extinguisher (device) in the system shall be started individually, multiple times or at the same time according to the preset starting mode (temperature, smoke, etc.) to achieve the fire extinguisher (device) which cannot be completed separately.