... LED monitor automatically while reversingC, Control box with PCABS casing, with waterproof/anti-shock/anti-interference design D, ... or human voice alarmE, Detachable sensor with water resistant connector, with anti-collision design, with rubber/metal sensor bracket optionalF, Cable: ... space between two sensors: 0.2M--0.3MSensor with metal bracket/rubber bracket optionalPackaging included:Control box x ...