NAS Driveway Alerts Dual Beam Set Wireless Range 500M

Australian Company with excellent backup customer service, a very reliable system that does not false alarm. The solar beams have two infra-red beams that both need to be broken at the same tiome to activate an alert. The solar beams only require natural light to charge and the alerts require 240V power. Easy to install and operate, all kits are programmed before sending out to you.