Backup Alarm For Truck 12V-48V DC Waterproof 107dB Reverse Warning Beeper New
🔊 OSHA-Compliant 107dB Super Loud Alert: 107dB piercing tone exceeds ANSI/OSHA standards for dump truck body-up warnings and construction zone safety. Solves NHTSA 393.80 compliance with 107dB piercing alarm audible over diesel engines.