DECK LIGHT - MODEL NUMBER - S21610 /S21110 Brand Marine Lighting Products since 1991 mounted lights and can be fitted anywhere needing direct lighting. They can be installed on decks, bulkheads and The lights use the best quality material and are manufactured from 316 stainless steel and have a polished finish as standard. They are tested for water tightness to IP56. The MRU and MR16 are available with screwed or bulkhead fitting types. For fixing the screwed fitting, stainless steel M5 counter sunk screws are supplied as standard for steel superstructure. Titanium screws are also available for installation into aluminium. There are various lamp reflectors beam angle TECHNICAL SPECIFICATION Lamp Type - M16 or Mil - halogen low voltage Glass Lens Finish - clear lens Bezel Finish - polished 316 stainless steel Insert - No insert available Ballast - LED driver - Transformer - N.A Surface Mounted Lights Installation Instruction: Please see diagram above for dimensions. Red dimension for the MRU & Black dimension for MR16. Please specify power supply. For additional information please visit our web site.