A GOLD-plated "M" on the black front door of a black building with blacked-out windows is the only clue that this is anything other than an another industrial unit in a typical industrial complex.
That and the small, dome-shaped CCTV camera perched above the entry.
But step inside and you're in a ROOM that resembles a luxury bar - all comfortable leather seating in luxury booths.
On the wall, two large television screens are live-streaming images from eight other well-placed, well-concealed cameras - spying on incoming visitors from as far back as the main road.
That's why the door opened so quickly.
Welcome to the Mongols motorcycle club's Blacktown clubhouse.