Tiella 800RLPKS150EZ MonoRail 150W 12V Electronic Surface Transformer Pack is a rich Bronze finish, and mounts to a standard 4IN square junction box with round plaster ring (provided by electrician), and the Rail drops 3.5IN from the ceiling. Longer drops can be achieved by adding a 800RLPKDP24Z Power Extender (not included) which includes 24IN extender plus two field-cuttable 24IN rods to lengthen the standoff supports. Surface transformers for a Rail system must be placed directly above the system. Add up to three 50W elements or up to four 35W elements. The 800RLPKS150EZ comes one kit per package: surface canopy with integral transformer, 8FT long hand-bendable Rail, two rigid standoff supports, and two end caps. Dimmable using a quality Electronic Low-Voltage dimmer. Tech Lighting started small back in 1988. Since then we have continuously built our reputation for timeless design, precision engineering, and trust. Today, we are recognized as the industry leader in low-voltage lighting systems and for our expansive collection of premium light fixtures. At our core is an intense appreciation for art and science, sophistication and imagination. We race to introduce new innovations to the market - both in design and technology. We travel the globe visiting trade shows not just in our industry, but everywhere that design can be observed - from furniture to fashion. We partner with glass artisans throughout the world to create the highest quality blown glass. Though, it extends beyond glass. Every detail counts. Our passion does not end with product. We are fanatical about exceeding our customershighest expectations with short leads times, on-time delivery, expansive custom capabilities and the most knowledgeable and accessible customer service and technical support department in the industry.