YASONG SLA-08 130dB Anti-Collision Siren, 50W, Adjustable Volume & 12 Tones, IP65, USB Upload, LED Strobe Dry Contact & Voltage Input Alarm Siren The siren itself has no

The siren itself has no built-in battery

and 4 included remote controls for industrial and security alerts

3W LED beacon light for low-power visual warning use

The YASONG SLA-01G industrial outdoor alarm siren combines a 120dB loud horn

YASONG SLA-08 130dB Anti-Collision Siren, 50W, Adjustable Volume & 12 Tones, IP65, USB Upload, LED Strobe Dry Contact & Voltage Input Alarm Siren The siren itself has noThe YASONG SLA 08 anti collision alarm siren combines a 0130dB adjustable horn, 50W high power output and LED strobe warning light for factories, terminals, ports, cranes, construction sites and outdoor industrial security areas. This model uses a cold rolled steel housing and an external anti collision protective cover around the warning light, helping improve durability in demanding industrial environments. The alarm supports multiple voltage