Don't just detect Police Laser, DEFEAT it
with a K40 Laser Defuser g5

Portable K40 Radar & Laser Protection

A K40 Portable radar and laser detector, means you drive ticket-free. Guaranteed...

You're Free To Drive...

Twice the protection of any other radar detector.
Completely customized for you and the way you drive.

We Fix Speeding Tickets!

EVERY K40 product is backed by our
Exclusive Speeding Ticket Guarantee.

Custom Installed Radar Detector

Serious drivers demand serious protection. It can only be found with the K40 RL360i.

Find A K40 Dealer

Search our network of elite K40 Dealers in the US and Canada.

K40 Consult

The best radar detector and laser jamming solutions for every vehicle and every driver.

Simply put, the K40 RL360i and Laser Defuser g5 are the most advanced radar detection and laser protection systems available today, completely customized for your automobile and the way you drive.

K40 Electronics – We Fix Speeding Tickets.

K40 has been the leader in radar and laser detection technology since 1981.

The first remote installed radar detector in 1981.
The first Speeding Ticket Guarantee in 1982.
The first laser jammer, the Laser Defuser, introduced in 1994.
The first Radar and Laser Protection Systems with Quiet Ride.
The first Live Consultation with an experienced K40 consultant who customizes your Radar and Laser Protection System for the way you drive
The RL360i is the ONLY custom installed radar detector that has two radar receivers built in meaning twice the range and directional awareness.

K40 Featured Installation

BMW M5 2013

K40 RL360i installation with dual Laser Defusers in a 2013 BMW M5.

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Customer Testimonial

"This is my 4th one and my husband has had 6 of them. We have recommended K40 to many friends and would not consider drivng without one. Thanks for making such a great product and for your excellent customer service. So nice!"

--Karen T. --Ipswich, MA

White Glove Service.....Just a phone call away.

To Brian and the K40 Team -
I'm sending this note of appreciation to K40 for your commitment to customer satisfaction and enhancing the Brand experience for current and prospective clients. (read more....)