Item is "made-to-order". Please call for approximate lead time. 100% Non-Refundable. The XB15 listed strobes have been designed for use in potentially explosive atmospheres and harsh environmental conditions. The enclosures are suitable for use offshore or onshore, where light weight combined with corrosion resistance is required. The housings are manufactured completely from a U.V. stable, glass reinforced polyester. Stainless steel screws and mounting bracket are available ensuring a totally corrosion free product. The model XB15 contains a polarization diode and four wire lead connections for fire alarm applications. Units can be painted to customer specification and supplied with identification labels.