Changing out a wired  Smoke detector/carbon monoxide detector in an building?  This is the product for you.
Included:
Smoke / carbon monoxide detector
Demo of old smoke / carbon monoxide detector
Electrical conections ( wire nuts and/ or wagos)
Instalation Of new detector
Cleanup
permits and fees
 
Note: 
-Residential only.  
-Must like in kind replacement at an exsisting detector location  
-Exsisting wiring problems are excluded.