Optex WXS-RAM , Shield series outdoor detector with dual PIR with Anti mask, and range of 12m x 180° ready for wireless (you need to place a transmitter yourself). The WXI, very reliable outdoor detector with advanced detection technology. The detector can be installed between 0.8m and 1.2m height, has various settings for adjusting the sensitivity to all conditions. The detecting portion is provided with logic SMDA