PTZ support plate can be quickly switched to cold boot position or plane interfaceDouble knob control, large knob controls the rotation of the ball, and small knob controls the rotation of the baseThe side cold shoe interface can fix the microphone, fill light and other auxiliary accessoriesThe base has a diameter of 3cm, built-in 3 / 8 standard threaded hole (equipped with 1 / 4 conversion screw), and the working height is 6cmStandard 1 / 4 threaded joint, common to most equipment interfacesApplicable model:Universal Brand Name: VELEDGEFeature 1: ball headFeature 2: video camera for headFeature 3: ball head mountFeature 4: universal headColour:blackMaterial:MetalPackage Contents:1 x Ball Head MountOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.