YASONG Siren Alarm with Button Control Box Adjust 130dB Horn 45w Waterproof Indoor Outdoor Industrial Safety Siren with Red Beacon Light SLA-05CZ

【Operating Principle】Button 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 you do not know how to wire, you can contact us and we will solve for you） 【Siren with strobe light】Once activated there will be red flashing warning light at the same time with the tone, obvious and easy to attract attention;  bright LED beads with low power consumption and long service life. Also it is designed with diffuser, can spread the light in a scientific manner 【Loud Horn】The alarm bell uses high-quality alloy speakers, the default siren sound is 0-130 decibels! The volume and tones can be changed by the side buttons(0-130dB adjustable, 12 kinds of alarm tone optional.) There is also USB port available. You can upload you