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The YASONG hand crank siren is a manual emergency warning horn designed for locations where power supply may not be available
It is suitable for fixed warning systems controlled by an external power circuit
while tone and volume can be adjusted by remote control within 0–8m
Flashing or steady-on mode options available before ordering
YASONG SLA-315X 120dB RGB Sound and Light Alarm, 485 Communication, Adjustable Volume, USB Voice Upload, IP65 Alarm with Infrared Detector The YASONG hand crank sirenThe YASONG SLA 315X is a 120dB sound and light alarm designed to provide clear audible and visual warnings in industrial environments. It combines switchable RGB warning colors, adjustable volume, 485 communication, and USB voice upload in one integrated warning device. This model supports 485 communication control for integration with compatible control systems. The warning volume can be adjusted for different environments, while the RGB light
