The Knightsbridge 1IPB/1IPW is Great for heavy foot traffic on uses like decks and porches due to its high Rating of IP68 and its hard wearing Stainless steel Construction. With the 1IPB/1IPW it features an efficient High Power Blue/White LED as well as 3m of 2core .75mm² H05RN-F cable. If you are looking to do a larger installation you can wire up to twelve of these fittings in a series circuit. Main Features Finish - Stainless Steel Manufactured From - Marine Grade 304 stainless steel Non-dimmable Lamp type - LED (non-replaceable) Watts - 1w Requires - 1W 350A 12V constant Current Driver (Sold Separately) Must be wired in series (max. 12 fittings) IP rating: IP68 (Protected from total dust ingress and Protected from long-term immersion up to a specified pressure.) Voltage - 12-36v Includes 3m cable Cut-out - 50mm Dimensions - diameter 60mm, depth 40mm Technical Specification Method of fix - Recessed Twin spring clips (not supplied) Lamp type and base -