Federal Signal's Model LP1 low profile strobe light is a rectangular Type 4X strobe light designed to be flush mounted to control panels or other flat surfaces. Mounting is accomplished with two supplied 1-1/4" 8/32 slotted hex bolts. A polypropylene gasket is supplied to create a water-tight and dust-tight seal. The user replaceable strobe tube is rated for 4000 hours of life. The LP1 is especially suited for use on control panels machines above entry ways on walls and along assembly lines.