The document provides information on the Edwards AdaptaLight Series 101XBRM Stackable Beacon, including: 1) The beacon can contain up to five modules stacked onto a single base unit, with each module electrically interconnected. 2) The base unit contains a mini pulsating horn and has a screw-type terminal strip for wiring. 3) The beacon is UL and cUL listed for direct surface or pipe mounting in indoor or outdoor applications, and provides a 360 degree light pattern.