Optex expands on its industry leading outdoor battery-powered iSeries line by adding the quad beam SL-350QFRi, 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 benifit from less downtime to business operations during install. The iSeries SL-350QFRi includes an Inovonics EN1941 wireless transmitter pre-installed, 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-350QFRi is compatible with the AX-TW200 line of beam towers for a clean, concealed, wireless mounting option. The SL-350QFRi is the perfect solution for perimeter protection where labor costs or trenching is an issue.Main FeaturesApplications: Perimeter, Roof / Ceiling, GardenDetection range 100m/350f, quad beam detection4 selectable beam frequenciesSniper viewfinder for easy alignmentD.Q. circuit (environmental disqualification)Battery-operatedUp to 8 batteries (4 in the transmitter, 4 in the receiver) (normal operation requires 2 batteries)IP65 waterproof structureEasy-to-see vivit interior color for optical alignmentTamper functionGeneral InformationName: Optex SmartLine SL-350QFRi Photoelectric Beam Detector, Optex, Inc, OptexCategory: Optex, Intrusion & Smart Home, Space/Perimeter Protection, Photo BeamsUPC Code: 788924089256Country of origin: China. Country of origin is subject to change.