YASONG SLA-1509Y 120dB Portable Rechargeable Remote Siren, 2000m Range, 5000mAh Battery, 12 Tones, IP65, LED Strobe 485 Trigger & Interface Alarm Siren This model works by signal-triggered

This model works by signal-triggered operation: after power is connected

factory workshops

12 built-in tones with USB sound upload support

select the correct voltage

No-sound and 85dB versions available on the page

YASONG SLA-1509Y 120dB Portable Rechargeable Remote Siren, 2000m Range, 5000mAh Battery, 12 Tones, IP65, LED Strobe 485 Trigger & Interface Alarm Siren This model works by signal-triggeredThe YASONG SLA 1509Y is a portable rechargeable alarm siren with a 120dB adjustable loud horn, LED strobe warning, and long range wireless remote control for outdoor and industrial safety alerts. This model is powered by a built in 5000mAh lithium battery and can be charged with AC100V240V input. The remote control range is rated up to 2000m 1. 24 miles in open areas without obstacles. 0120dB adjustable volume using the side control button 12 built in