Magnadyne BU2000C Water Resistant External Reverse and Backup Alarm

(5 customer reviews)


Experience the power of safety and sound with the Magnadyne  97dB Water-Resistant Backup Warning Siren. Designed to elevate your driving confidence, this siren combines a variable output level of 97dB with a range of exceptional features that ensure your safety on the road.

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The universal warning sound emitted by this siren commands attention, alerting those around you to your reverse motion. Its versatility makes it a perfect fit for various vehicles, adding an extra layer of precaution to your driving experience.

Come rain or shine, our water-resistant housing, fortified with durable A.B.S. plastic, shields the siren from the elements. This robust construction ensures long-lasting performance, allowing you to navigate any weather condition with peace of mind.

Safety is paramount, which is why we’ve implemented reverse polarity protection. This intelligent feature safeguards against electrical mishaps, providing you with a reliable and secure siren that functions flawlessly.

Crafted with precision, the stainless-steel power and ground connection terminals guarantee a strong and dependable electrical link. With a power input of 12VDC, this siren seamlessly integrates into your vehicle’s electrical system, ready to deliver its warning when you need it most.

Rest assured that our 97dB Water-Resistant Backup Warning Siren adheres to the esteemed SAE J994 safety standards, surpassing industry regulations and ensuring your utmost protection. We prioritize your well-being, and our commitment to excellence is evident in every aspect of this siren’s design.

Compact and efficient, the housing measures at 4″ in width, 2-11/16″ in height, and 1-5/8″ in depth. Its sleek dimensions blend seamlessly with your vehicle’s aesthetics, allowing for a seamless installation that enhances both form and function.

Embrace the harmony of safety and sound. Choose our 97dB Water-Resistant Backup Warning Siren and embark on a journey where confidence meets reliability. With its exceptional features and unwavering performance, this siren is your trusted companion for enhanced driving safety.


  • Self-contained alarm output level: 97dB
  • Activates when the back-up lights are on
  • Waterproof design – rugged encasement to withstand harsh environments
  • Beep rate: 1 beep/sec.
  • Reverse polarity protection


Brand Magnadyne
Noise Level 97 dB
Remote Control Included? No

Additional information



5 reviews for Magnadyne BU2000C Water Resistant External Reverse and Backup Alarm

  1. Big Daddy

    Makes plenty of noise people know what you are doing

  2. VanWinkle

    Works great and looks like it should lastLove it

  3. Amos Love

    Works great!

  4. Mr.Martin C. Curtis

    does not come with and instructions

  5. Juan Aranda

    Buen producto y fácil instalacion

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