crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2918746:0crwdne2918746:0

First Alert 9120B 烟雾报警器 电池更换

crwdns2935419:0crwdne2935419:0
crwdns2936315:0crwdne2936315:0
crwdns2936311:0crwdne2936311:0
crwdns2931653:02crwdne2931653:0
First Alert Smoke Alarm 9120B Battery Replacement: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 First Alert Smoke Alarm 9120B Battery Replacement: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

  • Unplug the cable from the alarm.

拔下连接到报警器的线缆。

crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0