crwdns2934241:0crwdne2934241:0 Zhong Jin

crwdns2934249:0crwdne2934249:0:

There may be something wrong with the  connection between the buttons and the circuit. You can try to turn off the power to see whether the alarm is turned off.

crwdns2915684:0crwdne2915684:0:

open