Why Shop Sonic Free Shipping Free Tech Support Easy Returns Low Price Guarantee Details

Directed 509U

Ultrasonic Sensor for Security Systems (DEI Install Essentials 509U)

5.0

(1 review)

Read 1 review

Write a review

Specials with this product

  • Free Flat Rate Shipping to the entire USA!details
  • Ultrasonic Sensor for Security Systems
  • Detects air pressure changes in the cabin of the vehicle
  • Adds extra protection when used in conjunction with other security systems
  • Detect thieves entering vehicle without glass breakage
  • Effective only when all entrances are secured and closed (doors, windows, and sunroof)
  • NOT RECOMMENDED FOR CONVERTIBLE VEHICLES
  • Dimensions: 4.5"L x 5.3"W x 2"H
  • 1-year SonicElectronix.com warranty
Accessories Specifications
Alarm Accessory TypeUltrasonic Sensor
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderSonic Electronix
Customer Review Summary for Directed 509U
Average Customer Rating is 5.0 out of 5 stars:
5.0
based on 1 Reviews
Share your thoughts with others:
Rating Distribution:
5 star:
.
100%
4 star:
.
0%
3 star:
.
0%
2 star:
.
0%
1 star:
.
0%
what's this?
Average Attributes Rating:
Durability
5.0
Value
5.0
Features
5.0
Design
5.0
Usability
5.0
what's this?
Most Helpful Customer Reviews:
March 22, 2011 This is a great sensor if you have a Air tight car
Review by
mike from staten island
Overall
Durability
Value
Features
Design
Usability
This is a great sensor if you have a Air tight car I have this sensor in my mini van with the 2 sensors over my 2 front pillar I have them set at max and have no problem with them as long as all windows are closed tight no Air flow in the car I have test this sensor in every way I have open my driver window and set the alarm and it will not last a min and the alarm is set off I have put a stuff doll on my dash and set the alarm with all windows closed and rock the car to the doll drop off the dash and set off the ultrasonic sensor this sensor is 100% I have set the alarm and open a back lift gate and the ultrasonic sensor was set off I even open the back vent window 3 out of 5 times the sensor will see the air flow from the vent.
Help other customers find the most helpful reviews
Was this review helpful to you?
Report Abuse | Write a Review
Share on Facebook Share on Twitter Share on Delicious Share on Buzz

Product Summary

Manufacturer: Directed
Model number: 509U
UPC: 093207509216
Weight: 0.50 lbs
Internal SKU: dei-509u
Internal product ID: 13985

Price Information

$89.99

–$60.00

$29.99

In Stock

save to wish list

February caption contest - win a Powerbag!

Customer Testimonial

I'm really happy with service and the product that I purchased from SonicElectronix. It was really easy to shop here and they have great prices. I hope they keep them like that!

- El Grande from Phoenix

See more…

Recently Viewed Items

dei-509u thumbnail

42" 1080p Flat Panel Wide Screen Full HD LCD Television

dei-509u thumbnail

Double DIN Installation Kit for Select 2000-2009 Toyota and Scion Vehicles

dei-509u thumbnail

12" Dual 4 ohm Titanium DVC Series Subwoofer