YASONG SLA-S001 130dB Portable Highway Maintenance Alarm Siren, 100W, 20Ah Battery, Red Blue Strobe Product Size:46.2 x 34 x 19.5cm The YASONG SLA-315 dry contact

The YASONG SLA-315 dry contact signal alarm siren is designed for factories

120dB loud siren sound for clear emergency warning

This model uses a cigarette lighter adapter for plug-and-play vehicle connection

The double-sided red and blue LED strobe design improves visibility from both directions

This model works by power-on operation: the alarm starts sounding and flashing when powered on

YASONG SLA-S001 130dB Portable Highway Maintenance Alarm Siren, 100W, 20Ah Battery, Red Blue Strobe Product Size:46.2 x 34 x 19.5cm The YASONG SLA-315 dry contactThe YASONG SLA S001 portable highway maintenance alarm siren is designed for road work, highway maintenance, tunnel construction, emergency rescue sites and temporary outdoor safety warning areas. This model combines a 300W maximum power alarm system, 130dB adjustable sound, red and blue LED strobe warning lights and a built in rechargeable lithium battery. It supports portable movement with a handle and pull rod structure, making it suitable for