YASONG 350watt Alarm Siren 130dB Dual Horn 12 Tone Adjust High Power Alarm Systerm for Emergency Alarm Range Approximately of 300 Meters SLA-O71

【Features of outdoor sirens】 The alarm siren is equipped with two 150W high-power speakers, the propagation distance is farther (approximately 300 meters), the alarm voice is clearer! Front LED red and blue strobe light, warning effect is more obvious! 0-130dB alarm tone adjustable, built-in 9 tones, you can upload your own voice! 【Working Principle】The alarm is of voltage AC220V/AC110V, please turn on or off the siren by controling the power.The machine need to do some simple wiring, comes without plug switch(If you do not know how to wire, please contact us, we will solve for you). 【Adjustable sound and tone 】0-130dB adjustable alarm, you can select the volume according to your own needs（adjust by remote control）; The siren has 9 built-in tones, you can choose your favorite tone through the remote control ; There is also USB port available, you can upload your own sound to the siren 【LED ren and blue strobe lights 】Once activated there will be red and bule flashing light at the same