Optex expands on its industry leading outdoor battery-powered intrusion line by adding the quad beam SL-350QFR, a 350 ft. battery-powered photoelectric detector requiring no trenching or wiring. Because of this, Integrators and Dealers can offer a significant cost saving alternative to traditional hardwired systems, while End Users will benefit from less downtime to business operations during install. The iSeries SL-350QFR includes a multi functional backbox that accepts most manufacturers wireless transmitters, and comes with four batteries per set, with the option of expanding to eight for up to 10 years of battery life. In addition, the SL-350QFR is compatible with the AX-TW200 line of beam towers for a clean, concealed, wireless mounting option.The SL-350QFR is the perfect solution for perimeter protection where labor costs or trenching is an issue.