Kidde FireX Smoke and Carbon Monoxide Detectors Set

Set of Kidde smoke and carbon monoxide detectors. Includes multiple units with digital displays. Essential for home safety. Smoke detectors do not come with batteries but the carbon monoxide detectors do. Smoke detectors were manufactured in July 28, 2023 so fairly new. The larger carbon monoxide detectors were 11/08/2021 and 02/28/2022. The little one was 03/05/2021. Smoke detectors come with mounts and mounting screws.