The Smallrig DJI RS2/RS3 monitor mount is perfect for adding accessories to the gimbal such as monitors, action cam's or sound receivers. The Nato clamp allows it to be mounted on either side of the gimbal and it has an anti removal stud so the accessory won't fall off. 

It is further equipped with 2 1/4 '' threads on the top and one on the side. It can be adjusted to an angle of 165 degrees and can be fixed at all positions. 

The dimensions of the arm are 134 x 42 x 52.5 cm, it weighs 113g and has a maximum carrying capacity of 1.5 kg.