Item is "made-to-order". Please call for approximate lead time. 100% Non-Refundable. The XB16 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 housing is manufactured from a U.V. stable, glass reinforced polyester, with the lens manufactured from a U.V. stable polycarbonate. Stainless steel screws are used ensuring a totally corrosion-free product. The model XB16 contains polarization diode and four wire leads for fire alarm applications. This strobe is also available with UL 1971 (ADA) listing for the hearing impaired applications. Units can be painted to customer specification and supplied with identification labels.