Operating PrincipleButton control box to control the siren on or off. After the siren wires and thebutton box wires are connected, when power on, the siren is in standby. Press any button on the button box, all the sirens will start to sound and light alarm; press any button on the button box again, all the alarms will stop working. If the alarm siren and the button control box are far away, wiring is required between the alarm and the button control box!
Adjustable sound and tone: 120dB loudspeaker, built-in 9 tones, adjustable sound and tones by the button. USB port of the siren to upload your customized audio
Strobe light: The siren has a built-in red LED luminous lamp beads, low power consumption and long service life. Also it is designed with diffuser, which can flash in the dark light
Material of emergency siren: Outdoor waterproof security siren, made of high-quality ABS plastic and cold-rolled steel, can work normally in rainy, snowy, and hot environments
Loud alarm: 120dB high sound siren, equipped with a powerful speaker, can produce a loud and clear sound. The horen is made into arc shape, which will spread the sound wave effectively