The SD5 commentary unit is a twin-axle box trailer with 180-degree visibility through forward- and side-facing windows. There is also a rear-facing window, strip lighting, 240V sockets, a 16-amp mains hook-up, a gas heater, and a permanently installed forward-facing desk, with seating for six to eight people. This unit is ideal as a show jumping, scoring, dressage, judging, or start-line box, or as a mobile office.
Length including draw bar: 6.11m
Height unerected: 2.90m