First Alert Standard Battery-Operated Smoke Alarm and Carbon Monoxide Alarm Combo Pack, White, Precision Detection Technology, SMI100 CO400 A-Ferguson Product Id-7743612 Significantly reduced in size from

Significantly reduced in size from the MBUS

60W DIY Laser

Show off your style by customizing your character with over 300 fashionable items to choose from

up to 60% more runtime

and 30 minute cleaning cycles

First Alert Standard Battery-Operated Smoke Alarm and Carbon Monoxide Alarm Combo Pack, White, Precision Detection Technology, SMI100 CO400 A-Ferguson Product Id-7743612 Significantly reduced in size fromThe First Alert Standard Battery Operated Smoke Alarm and Carbon Monoxide Alarm Value 2 Pack offers dependable fire and carbon monoxide protection for your home. The smoke alarm incorporates First Alert's Precision Detection advanced sensing technology, which complies with new industry standards to minimize false alarms caused by cooking while detecting smoke from synthetic materials that burn hotter and faster. Both alarms are battery operated,