The First Alert BRK ADK-12 Smoke Alarm Adapter Plug easily connects competitive alarms without rewiring. This product is compatible with Kidde Smoke Alarms and saves time and installation costs when retrofitting existing homes or apartments. First Alert designs and creates safety products that preserve and protect the things that are the most important to you, from your children and family to your home and the priceless memories stored inside.

• Compatible with the following kidde models: 1235, 1275, 1285, 1276, PE120E, PE120, PI2000 and HD135F
• Compatible with the following BRK models: 4120, 5919, 2002RAC, 7010, SC6120B, HD6135FB and RM3
• Adapter plug cannot be used to connect kidde carbon monoxide alarms
• Ideal for retrofit applications