This 3-position switch replaces your standard On/ Off switch (supplied with your DENALI lights) to allow you to use your additional lights at 50% or 100% light intensity. * Construction Dry Seal™ totally waterproof * Mounting with 3M adhesive included * Plug& Play installation on all DENALI 2.0 bundles Note: Requires the DENALI Dual-Intensity Controller 30500042 What’s In The Box: * (x 1) Dry Seal™ HI-LOW-OFF waterproof switch * (x 1) adhesive pad Article: DENALI 2.0 High/ Low/ Off Sealed Switch