Today only Home Depot is offering 20% Off Select Kiddie Fire Safety Equipment! There are several options available.
Check out this Kidde Battery Operated Smoke Detector with Wire-Free Interconnect (3-pack) on sale for $63.98 (Reg. $79.97)
-Battery-operated smoke alarm (batteries included)
-All interconnected alarms will sound when one alarm goes off
-Alarm features wire-free interconnectivity via radio frequency
Offer ends 7/23. Shipping is FREE.