This item cannot be shipped to the following state(s): GU,PR,VI
You can add extra protection to your home or business. With additional LaserShield Wireless Detection Units you can protect all areas in your home and business. The Wireless Detection Units communicate with the Master Alarm Unit via wireless radio signals and have a range of 150 feet (without obstructions). Each Wireless Detection Unit protects up to 1200 sq. ft.