YASONG SLA-S001 130dB Portable Highway Maintenance Alarm Siren, 100W, 20Ah Battery, Red Blue Strobe 485 Trigger & Interface Alarm Siren 0–130dB adjustable volume for different

0–130dB adjustable volume for different noise levels

record custom voice prompts

traffic control areas and mechanical equipment

12–24V DC input for common vehicle power systems

and prepare 4 AA batteries separately

YASONG SLA-S001 130dB Portable Highway Maintenance Alarm Siren, 100W, 20Ah Battery, Red Blue Strobe 485 Trigger & Interface Alarm Siren 0–130dB adjustable volume for differentThe 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