??LINGYAO Backup Alarm for Truck 12V-48V DC Waterproof Heavy Duty 107dB Reverse Warning Beeper for Commercial Vehicles Semi Trucks – Industrial Grade Safety Alert

Additional Details from the Manufacturer

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• ​​🚚 Multi-Voltage Compatibility for Heavy-Duty Fleets​​: Works on ​​12V-48V systems​​ – fits ​​semi-trucks, forklifts, RVs, and Metris vans​​. Solves ​​NHTSA 393.80 compliance​​ with ​​107dB piercing alarm​​ audible over ​​diesel engines​​.
• 🔊 OSHA-Compliant 107dB Super Loud Alert​​: ​​107dB piercing tone​​ exceeds ANSI/OSHA standards for ​​dump truck body-up warnings​​ and ​​construction zone safety​​.
• 🌧️ IP67 Waterproof & Shockproof​​: Sealed housing withstands ​​-40°F to 185°F​​ extremes. Passed ​​MIL-STD-810G​​ vibration tests for ​​semi-truck chassis​​ and ​​forklift mast​​ mounting. Includes rust-proof stainless bracket.
• 🔧 Universal Plug & Play Installation​​: 2-wire quick connector​​​​. Mounts vertically/horizontally – ​​no drilling​​ required for ​​Isuzu NPR/Ford Transit​​ chassis. ​​
• 🛡️ 3-Year Vibration Warranty​​: SAE J1455​​ vibration-tested for ​​250k mile lifespan​​. Bulk ​​price 10-pack​​ for ​​logistics fleets​​ – replaces ​​MFR730-1067​​ models