|  | 
             
              |  | Extremely reliable and false-alarm 
                free | 
             
              |  | Dual optics (2 dual opposed element sensors) | 
             
              |  | Provides superior pet immunity using a patented 
                combination of advanced optics and digital processing technologies | 
             
              |  | Immune to pets weighing up to 40kg (90lbs) | 
             
              |  | Digital Dual Opposed Detection | 
             
              |  | 11m (35ft) X 11m (35ft); 90° viewing angle |