MAYPOLE 12V PROFESSIONAL AUDIBLE BUZZER RELAY FOR TOWING TRAILER CARAVAN MP3870B

12V PROFESSIONAL AUDIBLE BUZZER RELAY FOR TOWING TRAILER CARAVAN MP3870B 12V PROFESSIONAL AUDIBLE BUZZER Audible relays buzz in time with the vehicle's indicators when connected. It is a legal requirement to have either a visual or audible monitor fitted so the driver is aware that the indicators are working on a trailer or caravan. Fitted at the rear of the vehicle the relay gives an audible signal that is in sequence with the towed vehicles indicators / flashers Easy to read standard colour codes Easy to conceal within the vehicle Excellent sound clarity; loud and high output Instructions included