First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and CO Alarm with Slim Profile Design Size:1 in H x 5.67 in L x 5.67 in W With UL Classified fire protection

With UL Classified fire protection

Seal puncture tool/spout cutter

padded envelopes

and welds resist vibration damage

Innovative lumbar and head support

First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and CO Alarm with Slim Profile Design Size:1 in H x 5.67 in L x 5.67 in W With UL Classified fire protectionThe First Alert SMCO210 Sealed 10 Year Battery Combo Smoke and CO Alarm with Slim Profile Design uses First Alert's Precision Detection advanced sensing technology and meets new industry standards. This 2 in 1 alarm provides convenient protection against both fire and carbon monoxide (CO). The alarm is also equipped with a 10 year sealed battery to eliminate the need for battery replacements and low battery chirps. First Alert's Precision Detection