Whistler LRM-360 Laser Remote Module Accessory integrates with the Whistler Pro 3600 radar detector to provide additional laser detection from both the front and the rear. The LRM-360 is a small module (2" H x 1" W) that includes a suction cup mount for easy installation on the windshield of your vehicle. The LRM-360 has 3 sensors on the front and one sensor facing the rear to provide 360 degree coverage. Laser detection provided by the Whistler LRM-360 module is in addition to the laser receiver built-in to the antenna included with the Pro 3600 radar detector.