The Ocean-Tri is a surface-mount LED oyster light perfect for corridors and common areas. Optional Plug and Paly Beacon & sensor modules available (Sold Separately) for energy-saving applications. Comes switchable between 3000K,4000K, and 5,000K temperature ranges. This is our Remote Test (LR) model. Utilising dual-band mesh technology, the network range of Elumen lighting offers users the most reliable and effective communication between the site and the office. A Gateway (Sold Separately) is required, but this technology allows live data and insight into restricted or difficult access areas and limits your duration and number of trips to the site. This is our Remote Test (LR) model.