Peripheral equipment of fire fighting system, control method and computer readable medium

The invention provides peripheral equipment of a fire extinguishing system, a control method and a computer readable medium. The peripheral equipment comprises a directional antenna, an ultrahigh frequency communication module, a micro-control unit and a peripheral equipment body, the ultrahigh frequency communication module is respectively connected with the directional antenna and the micro-control unit, and the micro-control unit is connected with the peripheral equipment body; the directional antenna is used for receiving the radio wave beam from the handheld terminal in the preset direction and sending the radio wave beam to the ultrahigh frequency communication module, and when the peripheral equipment is not supplied with electric energy, the ultrahigh frequency communication module generates electric energy based on the radio wave beam to operate; the ultrahigh frequency communication module is used for acquiring a control instruction included in the radio beam and sending the control instruction to t