YASONG SLA-S001 130dB Portable Highway Maintenance Alarm Siren, 100W, 20Ah Battery, Red Blue Strobe 485 Trigger & Interface Alarm Siren and prepare 4 AA batteries

and prepare 4 AA batteries separately

0–130dB adjustable volume for different noise levels

work areas and emergency safety use

record custom voice prompts

broken wire

YASONG SLA-S001 130dB Portable Highway Maintenance Alarm Siren, 100W, 20Ah Battery, Red Blue Strobe 485 Trigger & Interface Alarm Siren and prepare 4 AA batteriesThe 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