{"product_id":"farbin-truck-backup-alarm-12v-48v-110-db-reverse-horn-ip67-waterproof-universal-bracket","title":"FARBIN Truck Backup Alarm 12V–48V — 110 dB Reverse Horn, IP67 Waterproof, Universal Bracket","description":"\u003cb\u003eFARBIN Truck Back up Alarm is a heavy-duty, IP67-rated 12V–48V reverse warning horn that emits a powerful 110±3 dB beeping sound to alert pedestrians and drivers when a vehicle is reversing.\u003c\/b\u003e\n\nBuilt for commercial and industrial vehicles, this FARBIN backup alarm combines a rugged nylon body, epoxy-embedded electronics and a waterproof housing that withstands dust, rain and extreme temperatures from -30°C to 80°C. It fits a broad range of vehicles — trucks, buses, vans, forklifts, RVs, excavators and more — and installs quickly by tying into the reverse-light circuit. Reverse polarity protection prevents damage from incorrect wiring, while the slotted universal bracket gives flexible mounting options on cab, bumper or chassis.\n\n\u003ch3\u003eHow loud is the alarm and will it be heard on busy roads?\u003c\/h3\u003e\n\u003cp\u003eThe alarm generates a high-volume beeping signal rated at 110±3 dB, designed to be audible over traffic and construction noise so people nearby can notice the reversing vehicle. Its sound profile is optimized to attract attention without requiring constant power draw.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e110±3 dB output for long-distance audibility\u003c\/li\u003e\n  \u003cli\u003eDistinct beeping pattern for quick recognition\u003c\/li\u003e\n  \u003cli\u003eEngineered to cut through ambient urban and jobsite noise\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat vehicles and voltages is this backup horn compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis FARBIN alarm supports a universal voltage range from 12V to 48V, making it suitable for most light-, medium- and heavy-duty vehicles. It’s commonly used on trucks, semi-trailers, construction equipment and specialty vehicles where a loud reverse warning is essential.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with 12V, 24V and up to 48V electrical systems\u003c\/li\u003e\n  \u003cli\u003eCommon fits: trucks, vans, buses, RVs, forklifts, excavators\u003c\/li\u003e\n  \u003cli\u003eUniversal slotted bracket allows multiple mounting positions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is the FARBIN backup alarm installed and protected against wiring mistakes?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: connect the positive wire to the reverse-light circuit or a dashboard reverse switch and tie the negative to ground. The unit includes reverse-polarity protection so accidental wire reversal won’t damage the electronics, and the bracket simplifies placement during mounting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSplice into reverse light or switch for automatic activation\u003c\/li\u003e\n  \u003cli\u003eReverse polarity protection prevents wiring damage\u003c\/li\u003e\n  \u003cli\u003eSlotted universal mounting bracket for flexible placement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this alarm handle harsh weather and demanding jobsite conditions?\u003c\/h3\u003e\n\u003cp\u003eYes — the FARBIN backup horn uses a nylon housing with epoxy-embedded circuitry to reach an IP67 rating, resisting dust ingress and temporary immersion. It’s built to perform reliably across a wide temperature range and in wet or dirty environments common to transportation and construction work.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIP67-rated waterproof and dustproof construction\u003c\/li\u003e\n  \u003cli\u003eEpoxy-embedded electronics for vibration and moisture resistance\u003c\/li\u003e\n  \u003cli\u003eOperational from -30°C to 80°C for extreme climates\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for?\n\u003cp\u003eThis FARBIN Truck Back up Alarm is suited for fleet managers, construction supervisors, equipment owners and DIY mechanics who need a robust, high-decibel reverse warning for larger vehicles. Choose this model when you want a universally compatible, weatherproof alarm with simple installation and protection against common wiring errors.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What voltage systems does the FARBIN backup alarm support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It works across 12V to 48V systems, suitable for light to heavy vehicles like trucks and excavators.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the alarm waterproof and durable for outdoor use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it has an IP67-rated housing with epoxy-embedded electronics for dust and water protection.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FARBIN","offers":[{"title":"Default Title","offer_id":55166111351127,"sku":"B0DS7YZ4Q2","price":37.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/farbin-front-view-backup-alarm.jpg?v=1790363252","url":"https:\/\/britishgarage.co.uk\/products\/farbin-truck-backup-alarm-12v-48v-110-db-reverse-horn-ip67-waterproof-universal-bracket","provider":"British Garage","version":"1.0","type":"link"}