---
product_id: 460185734
title: "BY-J Car Blind Spot Detection System, 24GHz Millimeter Wave Radar Sensor Blind Spot Monitoring System Kit, Universal Car SUVs Trucks RVs Lane Changing Warning with Reversing Radar Parking System"
brand: "by-j"
price: "2046 kr"
currency: DKK
in_stock: true
category: "By J"
url: https://www.desertcart.dk/products/460185734-by-j-car-blind-spot-detection-system-24ghz-millimeter-wave
store_origin: DK
region: Denmark
---

# 24GHz millimeter-wave radar for precise detection LED + buzzer alerts synced with turn signals 98ft detection range for early collision alerts BY-J Car Blind Spot Detection System, 24GHz Millimeter Wave Radar Sensor Blind Spot Monitoring System Kit, Universal Car SUVs Trucks RVs Lane Changing Warning with Reversing Radar Parking System

**Brand:** by-j
**Price:** 2046 kr
**Availability:** ✅ In Stock

## Summary

> 🚦 Stay Ahead, Stay Safe: Blind Spot Tech That Drives Confidence

## Quick Answers

- **What is this?** BY-J Car Blind Spot Detection System, 24GHz Millimeter Wave Radar Sensor Blind Spot Monitoring System Kit, Universal Car SUVs Trucks RVs Lane Changing Warning with Reversing Radar Parking System by by-j
- **How much does it cost?** 2046 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/460185734-by-j-car-blind-spot-detection-system-24ghz-millimeter-wave)

## Best For

- by-j enthusiasts

## Why This Product

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

## Key Features

- • **Smart Alert System:** Intelligent alarms only trigger when necessary—no false warnings when overtaking or stationary traffic, so you stay focused and stress-free.
- • **Multi-Function Safety Suite:** Integrates Blind Spot Detection, Lane Change Assist, and Open Door Warning to cover all your driving blind spots and parking needs.
- • **Advanced 24GHz Radar Precision:** Experience cutting-edge millimeter-wave technology that scans blind spots up to 98 feet away, giving you a critical edge in safety.
- • **Dynamic Dual-Sensor Monitoring:** Left and right rear microwave radar sensors activate instantly with turn signals, ensuring no moving object goes unnoticed during lane changes.
- • **Universal Fit for Modern Vehicles:** Designed for sedans, SUVs, trucks, and RVs with soft rear fascia; a sleek OEM-grade upgrade that blends seamlessly with your ride.

## Overview

The BY-J Car Blind Spot Detection System leverages a 24GHz millimeter-wave radar with dual microwave sensors to monitor blind spots up to 98 feet away. It features integrated lane change assist and open door warnings, providing real-time LED and buzzer alerts synchronized with turn signals. Compatible with most 12V vehicles with soft rear fascia, this OEM-grade system enhances driving safety by reducing collision risks during lane changes and parking.

## Description

Buy BY-J Car Blind Spot Detection System, 24GHz Millimeter Wave Radar Sensor Blind Spot Monitoring System Kit, Universal Car SUVs Trucks RVs Lane Changing Warning with Reversing Radar Parking System: Radar Detectors - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- [Blind Spot Detection System] This 24GHz Ultrasonic Radar Sensor Blind Area Detection System is a vehicle assistance device that greatly helps you detect the possible collision risks in the blind spot during driving.
- [Double Microwave Radar Sensor] High-speed frequency sensors for the left-rear and right-rear of the vehicle. The BSD system is activated with the turn signals, whenever there is a moving object pop into the rear of the vehicle, with the aid of LED lighting on, blinking, buzzer sound so that the driver can be cautious when lane changing to avoid the possibility of side crash accident.
- [3 Major Functions] This Blind Spot Sensor integrates BSD-blind spot monitoring, LCA-parallel lane change assist, Dow -Open Door Warning (optional two doors) 4 functions to help detect the possible collision risk.
- [Long Detecting Distance] The system uses a 24GHz millimeter-wave radar sensor chip, uses single transmit and four receive radar antennas, is equipped with sophisticated computer algorithms, and automotive-grade quality waterproof plugs, with a detection range of up to 98ft, can monitor the closing objects in the neighbor lane within a range of 26ft with speed gap over 0.5m/second.
- [Blind Spot Warning System] when the car behind us is stationary after stopping, there is no alarm for the blind spot; when the car behind us is slower than us, there is no danger of collision and no alarm; likewise, when we overtake, we are faster than the car behind us and there is no alarm.
- [Important Notes] This system integrates blind spot detection and reversing assistance.This item fits for most DC12v sedan, compact, SUV, MPVs, pickup etc, doesn't suitable for vehiche with metal bumper, and professional installer installation is required.
- This Radar Blind Spot System is an OEM-grade universal solution that will only function on vehicles with a soft rear fascia. This product cannot function through metal bumpers.
- Customer Service: If you encounter any problems during installation, please do contact us. We will provide you with the most professional customer service

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09VDMHTD7 |
| Best Sellers Rank | #133 in Radar Detectors |
| Brand | BY-J |
| Compatible Devices | Car |
| Customer Reviews | 3.4 3.4 out of 5 stars (6) |
| Display Type | LED |
| Frequency Bands Supported | 24GHz |
| Item Dimensions L x W x H | 9.45"L x 6.7"W x 3.94"H |
| Manufacturer | BY-J |
| Mfr Part Number | 24GHz 053 |
| Power Source | Corded Electric |
| UPC | 739722614515 |
| Voltage | 12 volts |

## Product Details

- **Brand:** BY-J
- **Compatible Devices:** Car
- **Display Type:** LED
- **Frequency Bands Supported:** 24GHz
- **Power Source:** Corded Electric
- **Product Dimensions:** 9.45"L x 6.7"W x 3.94"H
- **UPC:** 739722614515
- **Voltage:** 12 volts

## Images

![BY-J Car Blind Spot Detection System, 24GHz Millimeter Wave Radar Sensor Blind Spot Monitoring System Kit, Universal Car SUVs Trucks RVs Lane Changing Warning with Reversing Radar Parking System - Image 1](https://m.media-amazon.com/images/I/618WyRJIeZL.jpg)
![BY-J Car Blind Spot Detection System, 24GHz Millimeter Wave Radar Sensor Blind Spot Monitoring System Kit, Universal Car SUVs Trucks RVs Lane Changing Warning with Reversing Radar Parking System - Image 2](https://m.media-amazon.com/images/I/81Qk89kHIaL.jpg)
![BY-J Car Blind Spot Detection System, 24GHz Millimeter Wave Radar Sensor Blind Spot Monitoring System Kit, Universal Car SUVs Trucks RVs Lane Changing Warning with Reversing Radar Parking System - Image 3](https://m.media-amazon.com/images/I/814YrT9MifL.jpg)
![BY-J Car Blind Spot Detection System, 24GHz Millimeter Wave Radar Sensor Blind Spot Monitoring System Kit, Universal Car SUVs Trucks RVs Lane Changing Warning with Reversing Radar Parking System - Image 4](https://m.media-amazon.com/images/I/717lUrYF0EL.jpg)
![BY-J Car Blind Spot Detection System, 24GHz Millimeter Wave Radar Sensor Blind Spot Monitoring System Kit, Universal Car SUVs Trucks RVs Lane Changing Warning with Reversing Radar Parking System - Image 5](https://m.media-amazon.com/images/I/71jIR+RxNfL.jpg)

## Available Options

This product comes in different **Color** options.

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-08-05*