This model uses microwave motion detection to sense movement and activate the warning light
IP69K waterproof and dustproof housing for outdoor warning use
LED rotating beacon light for visible alarm indication
cranes and outdoor emergency warning areas
YASONG SLA-JB210 130dB Dual Horn Alarm Siren, 40W, 12 Tones, IP65, USB Upload, LED Strobe, Plug-In Voltage:AC110-380V This model uses microwave motionThe YASONG SLA JB210 dual horn alarm siren combines a 0130dB adjustable horn, 40W alarm power and LED strobe warning light for factories, warehouses, company buildings, residential communities, retail stores, garages and noisy industrial warning areas. This model works by power on activation: the siren and strobe light start immediately when power is connected. It comes with a pre installed plug for direct use, and the plug may also be removed for