Шнурков-то меньше, это я сразу заметил. Но описание одинаковое, кроме настройки яркости. Видимо, надо брать первый вариант. Кстати, в инструкции по Х2 показаны такие-же "проводки", как у Х. Похоже на маркетинговый ход - сделать дешевле под другим номером, но без шланга.
Х.
Back-up camera interface converts the composite video source of a backup camera to separate (R)Red, (G)Green, (B)Blue and sync wire signals. It has a built in switching unit and can change between the vehicle's original navigation video source and the aftermarket video back-up camera.
Product Features
Converts factory-installed navigation radio into a backup camera monitor
Brightness controls on the VCI-X module for adjustment during installation
Small size allows it to be easily hidden
Equipped with reverse light trigger input so no additional relays are required
Х2.
Back-up camera interface converts the composite video source of a backup camera to separate (R)Red, (G)Green, (B)Blue and sync wire signals. It has a built in switching unit and can change between the vehicle's original navigation video source and the aftermarket video back-up camera.
Product Features
Converts factory-installed navigation radio into a backup camera monitor
Brightness controls
Small size allows it to be easily hidden
Equipped with reverse light trigger input so no additional relays are required