The top-quality high-speed cables and adapters included in the Ultimate series are made for professional demands in multimedia distribution. The precision-manufactured and perfectly fitted plugs with 24ct gold-plated contacts guarantee optimum signal transmission and reliable functionality over long periods of use. The patented Ultra-Lock-System has been developed especially for an uninterrupted and secure use of HDMI connections. The unique technology locks the plug securely in the socket and is one-of-its-kind on the market. The security lock can be used universally with any HDMI socket and can be switched between "locked" and "unlocked" with the help of the 360° interlock switch. The mechanism is universally applicable and does not require any special bushings or other accessories.