Numark NVII | DJ Controller for Serato DJ with Intelligent Dual-Display Screens & Touch-Capacitive Knobs Dual-screen controller with new display options for professional DJ ready to keep laptop out of sight Integrated display screens let you focus on music and crowd, not the computer, during performance Upgraded layout with clear markings and touch-capacitive knobs for fast, responsive operation Blend elaborate audio layers or remix on the fly with 4 decks of cutting-edge Serato DJ control Low-profile design travels from carry-on to DJ booth and back again.Intel Processors are required for use with Serato DJ Software Note : Please refer the user manual below for better use