YASONG SLA-O71S 130dB 350W Dual Horn Alarm Siren, 300m Range, Adjustable Tones, IP65, USB Upload, LED Strobe Product Size:46.1 x 25.1 x 28.1cm 0–120dB adjustable volume controlled by

0–120dB adjustable volume controlled by buttons on the device

relay and control panel linkage

security posts

blue and green light color options

and pressing any button again stops the alarms

YASONG SLA-O71S 130dB 350W Dual Horn Alarm Siren, 300m Range, Adjustable Tones, IP65, USB Upload, LED Strobe Product Size:46.1 x 25.1 x 28.1cm 0–120dB adjustable volume controlled byThe YASONG SLA O71S dual horn alarm siren combines a 350W high power output, 0130dB adjustable sound and red and blue LED strobe warning light for cranes, metallurgy sites, mining areas, noisy industrial locations and emergency warning points. This model works by power control activation: the siren turns on when power is supplied and stops when power is turned off. It supports AC110 120V and AC220V options and requires wiring before use. 0130dB