YASONG Switch Signal Triggered Security Siren Alarm 120dB Horn Adjustable Volume and Tone Dry Contact Trigger Siren Waterproof Industrial Strobe Light Siren SLA-800K Voltage:AC220V Thanks to using the excellent

Thanks to using the excellent quality components

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YASONG Switch Signal Triggered Security Siren Alarm 120dB Horn Adjustable Volume and Tone Dry Contact Trigger Siren Waterproof Industrial Strobe Light Siren SLA-800K Voltage:AC220V Thanks to using the excellentOperating PrincipleSwitch signal triggered security siren alarm, which can be used with cameras, liquid level meters, PLC and other sensors to build a smart factory automation safety system. When the alarm is powered on, the alarm is on standby, and when the sensor outputs the signal to the alarm, the alarm starts to alarm. If you have any questions, please ask the engineer to contact us. Adjustable volume and toneThe alarm is equipped with a remote