| WLPIRDX - Passive Infrared Sensor | 
                | datasheet | price each: $150 |  | 
                
                    
                    | Specifications | 
                
                        | Dimensions | 3.2" L x 1.75" W x 4.4" H (81x44x112mm) | 
                    
                        | Power | One 9V alkaline battery (supplied) | 
                    
                        | Current Consumption | 15 mA transmitting, 4 mA walk test, 8 ľA standby, 15 ľA timer mode | 
                    
                        | Battery Life | three years(typical) | 
                    
                        | Battery Saver Timer | 4-minute software timer, rearms after alarm transmission | 
                    
                        | Measured Range | 700 feet in open air, one quadrant. 500 feet minimum in open air (four quadrant test) | 
                    
                        | Acessories | mounting hardware, including screws, double-stick tape | 
                    
                        | Code Outputs | alarm, low battery | 
                    
                        | Detector | balanced dual element, pyroelectric | 
                    
                        | Installed Lens | standard Fresnel lens, 24 facets, 9 main, 8 intermediate, 5 short, 2 creep | 
                    
                        | Detection Pattern | 30 feet x 30 feet | 
                    
                        | PIR Sensitivity | preset, non-adjustable, pulse count of 3 with 8-second detection window | 
                    
                        | Operating Frequency | 315Mhz |