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, and they're 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 both front and rear radar receivers. An industry exclusive, these dual receivers provide directional awareness and increased range to keep you protected from radar threats at every angle.

K40 Featured Installation

BMW M5 2013

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

All Galleries >

The performance of the RL360i radar was seven times the capture range of the police radar guns on all radar bands, X, K, and Ka bands used by police. It works as advertised! (read more)...

--Carl Fors, B.S., M.S., President
Speed Measurement Laboratories, Inc.

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

"Thank you Brian. It's great to talk to a manufacturer who still cares about their product and the customer experience. You just gave me another reason why I chose K40.

Many thanks.
--Peter