Cool-Ballhead-V4 is a Multi-Function Double Ball Head with bottom clamp and 1/4" threaded screw.</br>Can Mount Monitors and led Lights to DSLR?? 360?? Articulation. 1/4"0 Screw on Top.</br>Can be mounted directly to a DSLR or camcorder's shoe mount?? and allows for the attachment of a full array of video accessories.</br>Used to attach monitors or small lights to your camera while shooting video?? this ball head has a single locking knob for fast and safe operation.</br></br>Product Description</br></br><br>Cool-Ballhead-V4 is a Multi-Function Double Ball Head with bottom clamp and 1/4"crew. <br>Cool-Ballhead-V4 can Mount Monitors and led Lights to DSLR?? 360?? Articulation. 1/4"0 Screw on Top. <br>It can be mounted directly to a DSLR or camcorder's shoe mount?? and allows for the attachment of a full array of video accessories. Used to attach monitors or small lights to your camera while shooting video?? this ball head has a single locking knob for fast and safe operation.</br><br/>http://www.amazon.com/gp/product/B00DJ5XH4Otty po