The FSA210AST is a low voltage interconnect smoke detector with a                                                                                                                                       
built in sounder and heat sensor. It also detects smoke. Other options                                                                                                                                  
are available. Mount on cieling 30 feet apart. Self checking, LED                                                                                                                                       
willflash every 50 seconds.                                                                                                                                                                             
To interconnect them such that when one sounds they all sound, not                                                                                                                                      
just your alarm sirens, you need a PRM2WC signal device                                                                                                                                                 

                                                                                                                                                                                                   
        1-6       7+                                                                                                                                                                                    
$C     62.41   60.01                                                                                                                                                                                    
$US    60.54   58.21                                                                                                                                                                                    
EURO   40.57   39.01