"No need to stress about smoke alarms with the Kidde Wire-Free Interconnectable Smoke Alarms. They allow you to extend coverage all over your home without additional wiring. It makes a good addition to areas like detached garages or workshops. The alarms are powered by 3 AA batteries and feature wire-free interconnectivity with Kidde RF-SM-ACDC and other Kidde RF-SM-DC units. There is no need to program the units as they auto-program to connect after being taken out the box. If one unit is triggered they all will sound giving you the alert that you need.Shop all Kidde Smoke Detectors here."
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