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 Constructed of high-grade heat-treated alloy

Constructed of high-grade heat-treated alloy steel for maximum toughness and durability

Wind And UV Resistant

Wait 3 - 6 Hours After 1st Coat

(fits model Mag12 SP)

A heavy-duty aluminum I-beam forms this frame of this extra strong level

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 Constructed of high-grade heat-treated alloyThe 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