SmallHDs Mounting Cage for 703 UltraBright Monitor consists of two metal brackets that attach to the monitor and can be used to mount accessories. The brackets mount on the left and right sides of the monitor and are threaded 1/4"-20 and 3/8"-16. They also feature slots for attaching the optional dedicated sun hood for this monitor, which secures by magnetic mini-rods into these slots. Four screws are included for attaching the cage to the monitor.