Home Home Security First Alert SC9120LBL Combination Alarm with Adapter Plugs $31.50 Home Security First Alert SC9120LBL Combination Alarm with Adapter Plugs $31.50 By ARCOM - 18 April 2021 91 0 SHARE Facebook Twitter Go to the deal page: First Alert SC9120LBL Combination Alarm with Adapter Plugs $31.50