The HELLA BM20 Series Back-Up Alarm - 107 dB is engineered for reliability and safety compliance, making it an excellent choice for any vehicle requiring enhanced reverse operation alerts. This alarm has advanced protection against reverse polarity and varying voltage points, ensuring stability and longevity under diverse electrical conditions. It is rigorously tested and approved for electromagnetic tolerance, meeting the strict standards of SAE J994, which guarantees its effectiveness and safety in emitting clear, audible warnings. Ideal for heavy-duty vehicles, the BM20 Series withstands the rigors of industrial environments, providing a dependable and durable solution to maintain safety and awareness in busy operational settings.

• Consistent decibel output cuts through job-site noise, delivering dependable alerts that enhance worker and pedestrian safety.
• Loud, attention-grabbing alarm boosts safety instantly, alerting bystanders with clear warnings during reverse maneuvers.
• Low-power design runs efficiently, supporting long-term reliability without straining your vehicle’s electrical system.
• Weather-sealed housing keeps the alarm strong in rain, dust, and extreme temps, ensuring reliable performance anywhere.
• Vibration-resistant build maintains clear sound on rough terrain, keeping your reverse warnings sharp and unmistakable.
• With protection against reverse polarity and voltage points