NOTE: This boom arm must be fixed on a solid wall and the monolight in the picture is NOT included. Description: This wall mounting boom arm is perfect for supporting photographic equipment like studio video strobe lights, monolights, softboxes, umbrellas and reflectors. It can be fixed on a solid wall, and its length is adjustable extending up to 70.8 inches/180 centimeters. The boom arm can be rotated up to 180 degrees, so you can adjust its angle and height synchronously.