---
product_id: 546312529
title: "107dB 12V-48V DC Backup Alarm,Backup Alarm for Trucks,Waterproof Backup Reverse Warning Alarm,Car Accessories Truck Backup Alarm with Super Loud Beeper Tone,Car Back-up Alarm"
brand: "zlirfy"
price: "€ 34.69"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/546312529-107db-12v-48v-dc-backup-alarm-backup-alarm-for-trucks
store_origin: HR
region: Croatia
---

# Waterproof design 105dB sound level Universal fit 107dB 12V-48V DC Backup Alarm,Backup Alarm for Trucks,Waterproof Backup Reverse Warning Alarm,Car Accessories Truck Backup Alarm with Super Loud Beeper Tone,Car Back-up Alarm

**Brand:** zlirfy
**Price:** € 34.69
**Availability:** ✅ In Stock

## Summary

> 🚚 Be heard, be safe, back up with confidence!

## Quick Answers

- **What is this?** 107dB 12V-48V DC Backup Alarm,Backup Alarm for Trucks,Waterproof Backup Reverse Warning Alarm,Car Accessories Truck Backup Alarm with Super Loud Beeper Tone,Car Back-up Alarm by zlirfy
- **How much does it cost?** € 34.69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/546312529-107db-12v-48v-dc-backup-alarm-backup-alarm-for-trucks)

## Best For

- zlirfy enthusiasts

## Why This Product

- Trusted zlirfy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** CE certified for peace of mind while reversing, protecting you and those around you.
- • **Built to Last:** Crafted with durable nylon and epoxy-embedded electronics for ultimate resilience.
- • **Unmatched Sound Power:** Experience a booming 105dB alert that ensures you're heard!
- • **Effortless Installation:** Get up and running in no time with a universal mounting bracket and simple wiring.
- • **Versatile Compatibility:** Perfect for a wide range of vehicles, from trucks to construction machinery.

## Overview

The Zlirfy 107dB DC Backup Alarm is a robust and waterproof reverse warning system designed for various vehicles. With a powerful sound output of 105 decibels, it ensures maximum visibility and safety while reversing. Its durable construction and easy installation make it a reliable choice for both personal and commercial use.

## Description

107dB 12V-48V DC Backup Alarm,Backup Alarm for Trucks,Waterproof Backup Reverse Warning Alarm,Car Accessories Truck Backup Alarm with Super Loud Beeper Tone,Car Back-up Alarm

## Features

- [Durable Material] The reverse buzzer uses high-quality diaphragm coils and nylon materials, which are very sturdy and durable. The waterproof shell is equipped with epoxy embedded electronic devices, which can prevent dust, vibration, and moisture, ensuring long-term use.
- [Protective Effect] The reverse alarm horn complies with CE safety standards. It can provide protection when connecting wires in reverse or incorrectly.
- [Easy to Install] The alarm is easy to install. It has a universal mounting bracket with slot holes that can be installed in any position on the vehicle. Simply splice one wire from the positive screw terminal to the power cord of the backup light or backup light switch installed on the dashboard, and then connect one wire to the ground (negative wire).
- [Ultra High Pitched Horn] This car's reverse horn emits a strong beep sound of 105 decibels (102 ± 3), which is louder in practical use and easily catches everyone's attention.
- [Widely Applicable] Truck horns are mainly used for reversing reminders for various vehicles. It can automatically adjust to the vehicle voltage range of 12-48 volts. Suitable for excavators, construction machinery, special vehicles, parking lots, and various large vehicles.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Zlirfy |
| Brand | Zlirfy |
| Model | 721DCLBBJQ001 |
| Item Weight | 9.9 ounces |
| Package Dimensions | 4.37 x 3.39 x 1.93 inches |
| Item model number | 721DCLBBJQ001 |
| Manufacturer Part Number | 721DCLBBJQ001 |

## Images

![107dB 12V-48V DC Backup Alarm,Backup Alarm for Trucks,Waterproof Backup Reverse Warning Alarm,Car Accessories Truck Backup Alarm with Super Loud Beeper Tone,Car Back-up Alarm - Image 1](https://m.media-amazon.com/images/I/71VVMLwsSeL.jpg)
![107dB 12V-48V DC Backup Alarm,Backup Alarm for Trucks,Waterproof Backup Reverse Warning Alarm,Car Accessories Truck Backup Alarm with Super Loud Beeper Tone,Car Back-up Alarm - Image 2](https://m.media-amazon.com/images/I/71UbLSf7HrL.jpg)
![107dB 12V-48V DC Backup Alarm,Backup Alarm for Trucks,Waterproof Backup Reverse Warning Alarm,Car Accessories Truck Backup Alarm with Super Loud Beeper Tone,Car Back-up Alarm - Image 3](https://m.media-amazon.com/images/I/81VZjmACnAL.jpg)
![107dB 12V-48V DC Backup Alarm,Backup Alarm for Trucks,Waterproof Backup Reverse Warning Alarm,Car Accessories Truck Backup Alarm with Super Loud Beeper Tone,Car Back-up Alarm - Image 4](https://m.media-amazon.com/images/I/819IMGNXZxL.jpg)
![107dB 12V-48V DC Backup Alarm,Backup Alarm for Trucks,Waterproof Backup Reverse Warning Alarm,Car Accessories Truck Backup Alarm with Super Loud Beeper Tone,Car Back-up Alarm - Image 5](https://m.media-amazon.com/images/I/91WzA9Av3GL.jpg)

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**Shop now:** [https://www.desertcart.hr/products/546312529-107db-12v-48v-dc-backup-alarm-backup-alarm-for-trucks](https://www.desertcart.hr/products/546312529-107db-12v-48v-dc-backup-alarm-backup-alarm-for-trucks)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-22*