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