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 ® patches at the distal

® patches at the distal end of the fingers provide a protective barrier around the fingernails & fingertips

With UL Classified fire protection

padded envelopes

Innovative lumbar and head support

and welds resist vibration damage

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 ® patches at the distalThe 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