YASONG SLA-05BY-6 130dB Remote Control Siren, 500m Range, 45W, USB Sound Upload, LED Strobe Voltage:DC24V This model uses a power-on

This model uses a power-on operation design: after wiring and power connection

9 built-in tones switchable by SW1 / SW2 buttons

The YASONG SLA-01HY-500-3 is a wireless remote control alarm siren with a 0–120dB adjustable horn

This product is a visual warning light only and does not include sound

the alarm gives a warning after touch or collision

YASONG SLA-05BY-6 130dB Remote Control Siren, 500m Range, 45W, USB Sound Upload, LED Strobe Voltage:DC24V This model uses a power-onThe YASONG SLA 05BY 6 wireless remote control siren combines a 0130dB adjustable horn, 45W alarm power and a red LED strobe warning light for factories, warehouses, mines, ports, gantry cranes and outdoor industrial security areas. This model works by wireless remote control operation. After power connection, the siren can be turned on or off by remote control from up to 500m 0. 31 mile in open areas without wall obstruction. 500m remote control range