Comes attached to a stainless steel bracket for wall, bulkhead or mast mounting. The mounting bracket is drilled with 6 holes plus two keyway slots to provide many installation options. Also the bracket is drilled to accept a Windex 15” or Windex 10”. The energy efficient circuit draws just 0.074 amps at 12-volts. Comes with a 12” wire lead and 4 stainless steel self-tapping screws. Visible for up to 2 nautical miles. Has a 5000-hour incandescent bulb, which is replaceable (DAV 3330).