VD71-Video-Door-Intercom-Elegant-Touch-Byron-VD71-p-The-Byron-VD71-is-a-2-way-video-door-intercom-which-has-a-outdoor-unit-complete-with-mounting-bracket-it-has-an-elegant-indoor-touch-scren-&-button-for-door-lock-function-door-lock-part-code-DB5005-p-p-Supplied-with-10-metres-of-cable-that-can-be-extended-up-to-a-maximum-of-30-metres-p-p-3-year-guarantee-p-Byron-VD71-Video-Door-Intercom-Elegant-Touch