Multi Functioned Combined Product with Signal Light and Panel Sounder, Suitable for Automobile Production Line, Industrial Machine, Crane, Steel Industry and Plant Industry Can select LED flasing type or LED revolving flashing type(Shift-Resister).Semi-permanent in the lifespan by adapting LED of high brightness as light source and suitable for machines having strong vibration and impactControllerable the flashing interval by built-in volume controller.Can select the sound tone by wiring method to the built-in terminal box.Can select one of LED flashing and LED revolving flashing(shift-resister) by wiring method to the built-in terminal box.Sound volume can be adjusted by volume controller attached on front side of the box.Material : Lens-AS, Body-SteelVolume : MAX.85dBm