banhao Truck Reverse Alarm 12–48V — 110dB Waterproof Backup Beeper, Compact Rugged

BANHAO Back up Alarm is a compact, 110dB waterproof reverse beeper designed to warn pedestrians and workers when trucks and heavy vehicles are reversing.

When backing up in busy yards, construction sites, or city streets, a loud, reliable reverse warning is essential. The BANHAO backup alarm delivers a penetrating 110dB tone, is built to withstand wet and dusty conditions, and fits a wide range of 12–48V vehicles. Its reinforced nylon housing and integrated design make it a long-lasting, easy-to-mount safety accessory for commercial and utility vehicles.

How loud is this alarm and where will I hear it best?

The BANHAO alarm produces a 110dB alert designed to cut through ambient noise in outdoor and industrial locations. It’s tuned to be highly noticeable without requiring oversized housings, making it practical for tight mounting positions.

• 110 decibels for clear warnings in noisy environments
• Penetrating frequency optimized for human attention
• Effective on construction sites, loading docks, and busy streets

Will the alarm survive rain, mud, and daily wear?

Yes — the unit uses advanced encapsulation to provide strong waterproof and dustproof protection so it continues working in wet or dirty conditions. The sealed construction prevents moisture ingress that can compromise electronics.

• Encapsulated electronics resist rain and snow
• Dustproof design for rough outdoor jobsites
• Durable finish for long-term exposure to the elements

Which vehicles and voltages are compatible with BANHAO backup alarm?

This alarm supports a broad voltage range (12–48V) and an integrated compact form factor, so it installs easily on many vehicle types. It’s suitable for commercial trucks, vans, forklifts, semi-trailers, RVs, and construction equipment.

• Works with 12V, 24V, and up to 48V electrical systems
• Fits trucks, buses, pickups, forklifts, RVs, and trailers
• Compact shape makes mounting flexible on different surfaces

How durable is the build and what materials are used?

BANHAO backup alarm features a thickened high-strength nylon shell to resist impacts and improve explosion-proof performance under harsh conditions. The rugged housing contributes to steady long-term operation in demanding environments.

• Thickened nylon housing for impact resistance
• Designed for continuous operation under heavy use
• Manufactured with industry-level production standards

Who is this for: fleet managers, equipment operators, and small business owners who need a dependable, compact reversing warning for vehicles operating in noisy or harsh outdoor environments. If you manage trucks, construction machines, delivery vans, or yard equipment, this alarm offers a straightforward safety upgrade that’s simple to install and built to last. For any questions about fitment or installation, BANHAO provides customer support to help ensure a correct setup and dependable performance.