The FTN-RAM by Optex is a battery operated compact outdoor passive infra-red (PIR) detector with a 5 x 1m (16'5" x 3'3") coverage area and digital anti-masking technology. The 'fit' FTN-RAM offers the perfect solution for those outdoor areas where false alarms caused by environmental disturbances and small animals are an issue. The wireless-ready, battery powered version allow installers to save valuable installation time and labor costs because no trenching, installing conduit or pulling wire is required. The FTN-RAM include Anti-Masking feature, a wireless-ready back box to hold a third party's battery and wireless transmitter, and it comes with a built in bracket that enables horizontal rotation of 190 degrees. It's compact size and flexible detection area allow the sensor to 'fit' into a variety of both residential and commercial applications.