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🚦 Drive Confidently, Stay Ahead of Danger!
The BY-J Blind Spot Monitoring System uses advanced 24GHz millimeter wave radar sensors to monitor your vehicle’s rear blind spots within a 3.5m by 15m range. Featuring LED indicators and buzzer alerts, it provides real-time warnings for lane changes, door openings, and reversing hazards. Designed for DC12V vehicles with plastic bumpers, it automatically activates with your engine, enhancing driving safety and reducing collision risks.




| Asin | B09VDLDZT8 |
| Best Sellers Rank | #106 in Radar Detectors |
| Brand | BY-J |
| Compatible Devices | Most DC12v sedans, compact cars, SUVs, MPVs, and pickups without metal bumpers |
| Customer Reviews | 4.2 4.2 out of 5 stars (15) 4.2 out of 5 stars |
| Display Type | LED |
| Frequency Bands Supported | 24 GHz |
| Item Dimensions L X W X H | 15"L x 11"W x 3"H |
| Manufacturer | BY-J |
| Mfr Part Number | 24GHz 063-24 GHz |
| Model Number | 24GHz 063-NEW |
| Number Of Items | 1 |
| Power Source | Corded Electric |
| Upc | 739722614508 |
| Voltage | 12 volts |
| Warranty Description | 1 year |
User
Instalación rápida, cumple con buen desempeño
Lo ofertado es lo recibido
User
Love it
Works as intended have bought 3 kits and all work fine on all our vehicles and help out with safety easy to install and good quality
User
Buena relación precio y cantidad
Es lo que esperaba
User
Really hard to get right
My mechanic dad couldn’t get these to detect consistently. It lights up before or after, not when someone is actually in the blind spot. Sort of a waste of money.
User
Great picture
Easy installation
User
Great product
With a little bit on electrical knowledge and a bit of common sense you could make this product function like it does in the newer cars. I installed it on my 2008 Corolla and it works great! Just make sure you don’t connect the power wire to a constant 12v or the system will stay active. Definitely worth it I would buy this for any car that didn’t come with it on factory
User
Works well
I had used one of these driving a friend's car, and thought I'd try a set on my elderly car, for a bit of extra safety. It took me a while to install them, and I needed my roommate's help (I am not as spry as I used to be ) but the actual installation was pretty straightforward, with useful instructions. When I went into town to try them out, they worked well. I am not sure if I like them or not, because I dislike being given orders by inanimate objects, but if you DO want something like this, it is a good value.
User
Perfect upgrade for my jeep wrangler
Great adds on for my car
Trustpilot
4 days ago
1 week ago