--- product_id: 473342481 title: "Car Back-up Alarm with Wire/Light, 105dB Universal Waterproof Car Reverse Horn Reverse Beeper Warning Alarm Buzzer Siren for Car Vehicle Truck, 12V-24V" brand: "drisentri" price: "FREE" currency: EUR in_stock: false reviews_count: 5 url: https://www.desertcart.pt/products/473342481-car-back-up-alarm-with-wire-light-105db-universal-waterproof store_origin: PT region: Portugal --- # 12-24V universal fit IP67 waterproof rating 105dB piercing alert Car Back-up Alarm with Wire/Light, 105dB Universal Waterproof Car Reverse Horn Reverse Beeper Warning Alarm Buzzer Siren for Car Vehicle Truck, 12V-24V **Brand:** drisentri **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🚗🔔 Back up with confidence — loud, tough, and ready for any ride! ## Quick Answers - **What is this?** Car Back-up Alarm with Wire/Light, 105dB Universal Waterproof Car Reverse Horn Reverse Beeper Warning Alarm Buzzer Siren for Car Vehicle Truck, 12V-24V by drisentri - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/473342481-car-back-up-alarm-with-wire-light-105db-universal-waterproof) ## Best For - drisentri enthusiasts ## Why This Product - Trusted drisentri brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Compatibility:** Works seamlessly with cars, trucks, vans, and heavy machinery from 12V to 24V. - • **Plug & Play Installation:** Quick, hassle-free setup saves you time and gets you back on the road faster. - • **Loud & Clear Safety Signal:** 105dB sound cuts through city noise to keep pedestrians and drivers alert. - • **Built to Last with ABS Durability:** Wear-resistant, lightweight ABS material ensures long-term rugged performance. - • **Smart Reverse Polarity Protection:** Automatic safeguard against wiring errors protects your vehicle’s electronics. ## Overview The DriSentri Car Back-up Alarm delivers a powerful 105dB alert sound housed in a durable, waterproof ABS casing. Designed for universal 12-24V vehicle compatibility, it features easy installation and built-in reverse polarity protection, making it an essential safety upgrade for cars, trucks, and heavy equipment. ## Description Features: - Made of ABS material, sturdy and durable. - Easy to install, does not need to spend a lot of time, very convenient. - Professional equipment cutting and manufacturing, superior performance. - It can be protective when connect the wire inversely or wrong. - The horn voice is loud and clear, universal fit for different cars. - With single sound and light. Specifications: Item Type: Reversing horn Material: ABS Plastic Color: Black & Red Voltage: DC 12V - 24V Horn Diameter: 50mm Rated Current: 300mA Volume: 105dB Impedance: 2Ω Output Power: 15W Special Functions: Waterproof Waterproof Rate: IP67 Place of Application: Motorcycle Car Vehicle Notes: - Transition is 1cm=10mm=0.39inch. - Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. - Please allow 1-3cm measuring deviation due to manual measurement. Package Includes: 1 x Car Reversing Horn Review: Don't buy - Please don't buy this item, it's not at all worthy.. high cost low quality in material... No Review: Sonne bien fort - Pas encore installé mais testé sonne bien fort ## Features - High-quality Material: This reversing horn is made of ABS material, which has the characteristics of wear resistance, non-deformation, light weight, sturdiness and durability, and long service life. - High Sound Level: The car alarm buzzer has a clear sound and produces a strong buzzer greater than 100db, can effectively remind pedestrians to attract their attention, greatly improving safety and reliability. - Easy to Install: The installation is very simple, does not need to spend a lot of time, very convenient, can effectively save you energy and time, and meet your needs. - Protect Function: The car reversing horn is with automatic protection function, can play a protective role when the wires are reversed or connected incorrectly. - Wide Application: The car back-up alarm is suitable for 12-24V cars, such as trucks, cars, excavators, heavy vehicles, van, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09W1YKSPV | | Audible Noise | 105 Decibels | | Brand | DriSentri | | Color | Black | | Colour | Black | | Compatible Devices | Vehicles (Cars, Trucks, Excavators, Heavy Vehicles, Vans) | | Compatible devices | Vehicles (Cars, Trucks, Excavators, Heavy Vehicles, Vans) | | Control Method | Touch | | Control method | Touch | | Customer Reviews | 4.0 out of 5 stars 87 Reviews | | Manufacturer | DriSentri | | Mfr Part Number | EPC_HOR_30G | | Mounting Type | Wall Mount | | Number of Items | 1 | | Power Source | Corded Electric | | Power source | Corded Electric | | Sensor Technology | Ultrasonic | | Size | 30G | | Voltage | 24 Volts | ## Product Details - **Brand:** DriSentri - **Colour:** Black - **Compatible devices:** Vehicles (Cars, Trucks, Excavators, Heavy Vehicles, Vans) - **Power source:** Corded Electric - **Voltage:** 24 Volts ## Images ![Car Back-up Alarm with Wire/Light, 105dB Universal Waterproof Car Reverse Horn Reverse Beeper Warning Alarm Buzzer Siren for Car Vehicle Truck, 12V-24V - Image 1](https://m.media-amazon.com/images/I/51LQyL9IeXL.jpg) ![Car Back-up Alarm with Wire/Light, 105dB Universal Waterproof Car Reverse Horn Reverse Beeper Warning Alarm Buzzer Siren for Car Vehicle Truck, 12V-24V - Image 2](https://m.media-amazon.com/images/I/61YV9+Z6J9L.jpg) ![Car Back-up Alarm with Wire/Light, 105dB Universal Waterproof Car Reverse Horn Reverse Beeper Warning Alarm Buzzer Siren for Car Vehicle Truck, 12V-24V - Image 3](https://m.media-amazon.com/images/I/61FB6Q176TL.jpg) ![Car Back-up Alarm with Wire/Light, 105dB Universal Waterproof Car Reverse Horn Reverse Beeper Warning Alarm Buzzer Siren for Car Vehicle Truck, 12V-24V - Image 4](https://m.media-amazon.com/images/I/61d-NDFRfRL.jpg) ![Car Back-up Alarm with Wire/Light, 105dB Universal Waterproof Car Reverse Horn Reverse Beeper Warning Alarm Buzzer Siren for Car Vehicle Truck, 12V-24V - Image 5](https://m.media-amazon.com/images/I/51SjYwd93wL.jpg) ## Customer Reviews ### ⭐ Don't buy *by S***N on 17 May 2025* Please don't buy this item, it's not at all worthy.. high cost low quality in material... No ### ⭐⭐⭐⭐⭐ Sonne bien fort *by M***N on 15 December 2025* Pas encore installé mais testé sonne bien fort ### ⭐⭐⭐⭐⭐ Plug n play, very simple, *by M***Y on 4 May 2023* Easy red positive black negative connect the positive to your reverse light or auxiliary switch then ground to any metal surface on vehicles frame you can mount anywhere you like I simply drilled hole on my back bumper an fastened it with a bolt an nut not super bright but definitely louder than my previous beeper for $9 an next day delivery you can't ask for much more I'm certainly impressed with the loud yet deep sound find it soothing to backup ## Frequently Bought Together - DriSentri Car Back-up Alarm with Wire/Light, 105dB Universal Waterproof Car Reverse Horn Reverse Beeper Warning Alarm Buzzer Siren for Car Vehicle Truck, 12V-24V - DriSentri Car Back-up Alarm, 12V/24V 105dB Reverse Beeper Backup Alarm Vehicle Auto Back Up Horn Car Reverse Alarm Buzzer Siren with Light - DriSentri Car Back-up Alarm, 12-24V 105dB Reverse Beeper Backup Alarm Vehicle Auto Back Up Horn Car Reverse Alarm Buzzer Siren with Wire --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/473342481-car-back-up-alarm-with-wire-light-105db-universal-waterproof](https://www.desertcart.pt/products/473342481-car-back-up-alarm-with-wire-light-105db-universal-waterproof) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-20*