1. Newest upgraded quick release plate: The upgraded quick plate comes with a dual convertible 1/4 inch and 3/8 inch mounting screw to be fit for video shotting. 2. Security locking knob: The special design of security locking can prevent the equipment from falling off accidentally. 3. Professional bubble level design: Can help keep the stable shooting to adapt to different environments. 4. Wearable and non-skid bar design: Can prevent the shooting from shaking to improve the stability. 5. Fluid Damping System assures smooth movement. 6. Works with camcorders and DSLR cameras with external accessories. 7. Note: The Tripod Ball Bowl is not included.