The Hochiki SLR-E3N Conventional Photo Electric Smoke Detector is a reliable and trusted fire protection equipment designed and manufactured in the United States. With its brand reputation for quality and efficiency, this unit offers peace of mind for businesses and industrial facilities in terms of detecting smoke and potential fire hazards. The inclusion of the YBO-R/6PA Base Bone further enhances the functionality and effectiveness of this smoke detector, making it a valuable addition to any fire protection system.