YASONG SLA-900MX 130dB RS-485 Modbus Alarm Siren, 150W, 12 Tones, IP65, USB Upload, LED Strobe Dry Contact & Voltage Input Alarm Siren so the mainframe or public

so the mainframe or public address control station is not included

helping prevent overheight collisions at tunnels

USB sound upload for custom warning audio under 4MB

The YASONG SLA-05CY is a wireless remote control alarm siren with a 0–130dB adjustable loud horn

This model works by power failure activation: after power is supplied

YASONG SLA-900MX 130dB RS-485 Modbus Alarm Siren, 150W, 12 Tones, IP65, USB Upload, LED Strobe Dry Contact & Voltage Input Alarm Siren so the mainframe or publicThe YASONG SLA 900MX RS 485 loud alarm siren combines a 150W high power horn with a LED strobe warning light for factories, industrial sites, large outdoor areas and emergency warning systems. This model is triggered by RS 485 communication protocol and supports Modbus RTU with a default baud rate of 9600. Users can send commands through control software to activate the alarm and adjust volume or tone. 150W high power siren for wide area warning