H=40(without lengthening arm)

H=40(with lengthening arm)

H=60(without lengthening arm)

H=60(with lengthening arm)

            

 

1:display weight is less than 6 kg
2:There are 4 screw holes on the back of the display, with a hole distance of 75 mm or 100 mm
As long as these 2 points are satisfied, they can be used