Home Slickdeals 3-Pack Kidde Nighthawk Plug-In Carbon Monoxide Alarm w/ Battery Backup $67.99 +... Slickdeals 3-Pack Kidde Nighthawk Plug-In Carbon Monoxide Alarm w/ Battery Backup $67.99 + Free S&H w/ Prime @ Woot By ARCOM - 14 August 2019 120 0 SHARE Facebook Twitter Go to the deal page: 3-Pack Kidde Nighthawk Plug-In Carbon Monoxide Alarm w/ Battery Backup $67.99 + Free S&H w/ Prime @ Woot