Completely portable.  Intended to be stored away when not in use.

Battery powered.  No wiring or trenching.

Batteries (AA alkaline, included) will last several years in normal use.

Wireless RF full function remote control included.

Easy setup at the meet.  Unit slips on and off a common 1-1/2" pipe.

Super bright high contrast displays are easily viewable by spectators.

Rugged gasketed water resistant case.

Size: 30" wide, 16" tall, 3" deep.  Weight: 13 pounds.  (Mounting location recommendations)

User serviceable.  All components plug in and out.

Affordable!   $925 including the remote control.